| Ejercicio 1 | ||
99(-36 x+90) |
= |
81(81 x+1110) |
-3564 x+8910 |
= |
6561 x+89910 |
-3564 x-6561 x |
= |
89910-8910 |
-10125x |
= |
81000 |
x |
= |
81000 / -10125 |
x |
= |
-8 |
Comprobación |
99(-36 x+90) |
= |
81(81 x+1110) |
99(-36(-8)+90) |
= |
81(81(-8)+1110) |
99(288+90) |
= |
81(-648+1110) |
99(378) |
= |
81(462) |
37422 |
= |
37422 |
= |
www.educa.mx |
| Ejercicio 2 | ||
168(-112 x+42) |
= |
196(-196 x-864) |
-18816 x+7056 |
= |
-38416 x-169344 |
-18816 x+38416 x |
= |
-169344-7056 |
19600x |
= |
-176400 |
x |
= |
-176400 / 19600 |
x |
= |
-9 |
Comprobación |
168(-112 x+42) |
= |
196(-196 x-864) |
168(-112(-9)+42) |
= |
196(-196(-9)-864) |
168(1008+42) |
= |
196(1764-864) |
168(1050) |
= |
196(900) |
176400 |
= |
176400 |
= |
www.educa.mx |
| Ejercicio 3 | ||
91(-13 x-13) |
= |
169(-182 x-532) |
-1183 x-1183 |
= |
-30758 x-89908 |
-1183 x+30758 x |
= |
-89908+1183 |
29575x |
= |
-88725 |
x |
= |
-88725 / 29575 |
x |
= |
-3 |
Comprobación |
91(-13 x-13) |
= |
169(-182 x-532) |
91(-13(-3)-13) |
= |
169(-182(-3)-532) |
91(39-13) |
= |
169(546-532) |
91(26) |
= |
169(14) |
2366 |
= |
2366 |
= |
www.educa.mx |
| Ejercicio 4 | ||
-54(60 x-78) |
= |
36(-12 x+585) |
-3240 x+4212 |
= |
-432 x+21060 |
-3240 x+432 x |
= |
21060-4212 |
-2808x |
= |
16848 |
x |
= |
16848 / -2808 |
x |
= |
-6 |
Comprobación |
-54(60 x-78) |
= |
36(-12 x+585) |
-54(60(-6)-78) |
= |
36(-12(-6)+585) |
-54(-360-78) |
= |
36(72+585) |
-54(-438) |
= |
36(657) |
23652 |
= |
23652 |
= |
www.educa.mx |
| Ejercicio 5 | ||
108(108 x-156) |
= |
144(-36 x+234) |
11664 x-16848 |
= |
-5184 x+33696 |
11664 x+5184 x |
= |
33696+16848 |
16848x |
= |
50544 |
x |
= |
50544 / 16848 |
x |
= |
3 |
Comprobación |
108(108 x-156) |
= |
144(-36 x+234) |
108(108(3)-156) |
= |
144(-36(3)+234) |
108(324-156) |
= |
144(-108+234) |
108(168) |
= |
144(126) |
18144 |
= |
18144 |
= |
www.educa.mx |
| Ejercicio 6 | ||
-7(-84 x-77) |
= |
49(-91 x-916) |
588 x+539 |
= |
-4459 x-44884 |
588 x+4459 x |
= |
-44884-539 |
5047x |
= |
-45423 |
x |
= |
-45423 / 5047 |
x |
= |
-9 |
Comprobación |
-7(-84 x-77) |
= |
49(-91 x-916) |
-7(-84(-9)-77) |
= |
49(-91(-9)-916) |
-7(756-77) |
= |
49(819-916) |
-7(679) |
= |
49(-97) |
-4753 |
= |
-4753 |
= |
www.educa.mx |
| Ejercicio 7 | ||
40(-56 x+52) |
= |
16(-20 x-230) |
-2240 x+2080 |
= |
-320 x-3680 |
-2240 x+320 x |
= |
-3680-2080 |
-1920x |
= |
-5760 |
x |
= |
-5760 / -1920 |
x |
= |
3 |
Comprobación |
40(-56 x+52) |
= |
16(-20 x-230) |
40(-56(3)+52) |
= |
16(-20(3)-230) |
40(-168+52) |
= |
16(-60-230) |
40(-116) |
= |
16(-290) |
-4640 |
= |
-4640 |
= |
www.educa.mx |
| Ejercicio 8 | ||
8(-8 x-48) |
= |
64(8 x+12) |
-64 x-384 |
= |
512 x+768 |
-64 x-512 x |
= |
768+384 |
-576x |
= |
1152 |
x |
= |
1152 / -576 |
x |
= |
-2 |
Comprobación |
8(-8 x-48) |
= |
64(8 x+12) |
8(-8(-2)-48) |
= |
64(8(-2)+12) |
8(16-48) |
= |
64(-16+12) |
8(-32) |
= |
64(-4) |
-256 |
= |
-256 |
= |
www.educa.mx |
| Ejercicio 9 | ||
30(-60 x-65) |
= |
25(-65 x-8) |
-1800 x-1950 |
= |
-1625 x-200 |
-1800 x+1625 x |
= |
-200+1950 |
-175x |
= |
1750 |
x |
= |
1750 / -175 |
x |
= |
-10 |
Comprobación |
30(-60 x-65) |
= |
25(-65 x-8) |
30(-60(-10)-65) |
= |
25(-65(-10)-8) |
30(600-65) |
= |
25(650-8) |
30(535) |
= |
25(642) |
16050 |
= |
16050 |
= |
www.educa.mx |
| Ejercicio 10 | ||
-33(24 x-21) |
= |
9(-12 x+229) |
-792 x+693 |
= |
-108 x+2061 |
-792 x+108 x |
= |
2061-693 |
-684x |
= |
1368 |
x |
= |
1368 / -684 |
x |
= |
-2 |
Comprobación |
-33(24 x-21) |
= |
9(-12 x+229) |
-33(24(-2)-21) |
= |
9(-12(-2)+229) |
-33(-48-21) |
= |
9(24+229) |
-33(-69) |
= |
9(253) |
2277 |
= |
2277 |
= |
www.educa.mx |
| Ejercicio 11 | ||
63(-72 x-81) |
= |
81(-54 x-75) |
-4536 x-5103 |
= |
-4374 x-6075 |
-4536 x+4374 x |
= |
-6075+5103 |
-162x |
= |
-972 |
x |
= |
-972 / -162 |
x |
= |
6 |
Comprobación |
63(-72 x-81) |
= |
81(-54 x-75) |
63(-72(6)-81) |
= |
81(-54(6)-75) |
63(-432-81) |
= |
81(-324-75) |
63(-513) |
= |
81(-399) |
-32319 |
= |
-32319 |
= |
www.educa.mx |
| Ejercicio 12 | ||
108(-12 x+132) |
= |
144(84 x+564) |
-1296 x+14256 |
= |
12096 x+81216 |
-1296 x-12096 x |
= |
81216-14256 |
-13392x |
= |
66960 |
x |
= |
66960 / -13392 |
x |
= |
-5 |
Comprobación |
108(-12 x+132) |
= |
144(84 x+564) |
108(-12(-5)+132) |
= |
144(84(-5)+564) |
108(60+132) |
= |
144(-420+564) |
108(192) |
= |
144(144) |
20736 |
= |
20736 |
= |
www.educa.mx |
| Ejercicio 13 | ||
64(-72 x-80) |
= |
64(112 x-1552) |
-4608 x-5120 |
= |
7168 x-99328 |
-4608 x-7168 x |
= |
-99328+5120 |
-11776x |
= |
-94208 |
x |
= |
-94208 / -11776 |
x |
= |
8 |
Comprobación |
64(-72 x-80) |
= |
64(112 x-1552) |
64(-72(8)-80) |
= |
64(112(8)-1552) |
64(-576-80) |
= |
64(896-1552) |
64(-656) |
= |
64(-656) |
-41984 |
= |
-41984 |
= |
www.educa.mx |
| Ejercicio 14 | ||
15(30 x-30) |
= |
225(180 x-536) |
450 x-450 |
= |
40500 x-120600 |
450 x-40500 x |
= |
-120600+450 |
-40050x |
= |
-120150 |
x |
= |
-120150 / -40050 |
x |
= |
3 |
Comprobación |
15(30 x-30) |
= |
225(180 x-536) |
15(30(3)-30) |
= |
225(180(3)-536) |
15(90-30) |
= |
225(540-536) |
15(60) |
= |
225(4) |
900 |
= |
900 |
= |
www.educa.mx |
| Ejercicio 15 | ||
-8(-32 x-120) |
= |
64(-120 x-109) |
256 x+960 |
= |
-7680 x-6976 |
256 x+7680 x |
= |
-6976-960 |
7936x |
= |
-7936 |
x |
= |
-7936 / 7936 |
x |
= |
-1 |
Comprobación |
-8(-32 x-120) |
= |
64(-120 x-109) |
-8(-32(-1)-120) |
= |
64(-120(-1)-109) |
-8(32-120) |
= |
64(120-109) |
-8(-88) |
= |
64(11) |
704 |
= |
704 |
= |
www.educa.mx |
| Ejercicio 16 | ||
10(6 x-20) |
= |
4(24 x-77) |
60 x-200 |
= |
96 x-308 |
60 x-96 x |
= |
-308+200 |
-36x |
= |
-108 |
x |
= |
-108 / -36 |
x |
= |
3 |
Comprobación |
10(6 x-20) |
= |
4(24 x-77) |
10(6(3)-20) |
= |
4(24(3)-77) |
10(18-20) |
= |
4(72-77) |
10(-2) |
= |
4(-5) |
-20 |
= |
-20 |
= |
www.educa.mx |
| Ejercicio 17 | ||
-121(-132 x-110) |
= |
121(-44 x-770) |
15972 x+13310 |
= |
-5324 x-93170 |
15972 x+5324 x |
= |
-93170-13310 |
21296x |
= |
-106480 |
x |
= |
-106480 / 21296 |
x |
= |
-5 |
Comprobación |
-121(-132 x-110) |
= |
121(-44 x-770) |
-121(-132(-5)-110) |
= |
121(-44(-5)-770) |
-121(660-110) |
= |
121(220-770) |
-121(550) |
= |
121(-550) |
-66550 |
= |
-66550 |
= |
www.educa.mx |
| Ejercicio 18 | ||
12(12 x-16) |
= |
16(-20 x-70) |
144 x-192 |
= |
-320 x-1120 |
144 x+320 x |
= |
-1120+192 |
464x |
= |
-928 |
x |
= |
-928 / 464 |
x |
= |
-2 |
Comprobación |
12(12 x-16) |
= |
16(-20 x-70) |
12(12(-2)-16) |
= |
16(-20(-2)-70) |
12(-24-16) |
= |
16(40-70) |
12(-40) |
= |
16(-30) |
-480 |
= |
-480 |
= |
www.educa.mx |
| Ejercicio 19 | ||
-15(-18 x+21) |
= |
9(-3 x+229) |
270 x-315 |
= |
-27 x+2061 |
270 x+27 x |
= |
2061+315 |
297x |
= |
2376 |
x |
= |
2376 / 297 |
x |
= |
8 |
Comprobación |
-15(-18 x+21) |
= |
9(-3 x+229) |
-15(-18(8)+21) |
= |
9(-3(8)+229) |
-15(-144+21) |
= |
9(-24+229) |
-15(-123) |
= |
9(205) |
1845 |
= |
1845 |
= |
www.educa.mx |
| Ejercicio 20 | ||
6(11 x-11) |
= |
1(6 x+54) |
66 x-66 |
= |
6 x+54 |
66 x-6 x |
= |
54+66 |
60x |
= |
120 |
x |
= |
120 / 60 |
x |
= |
2 |
Comprobación |
6(11 x-11) |
= |
1(6 x+54) |
6(11(2)-11) |
= |
1(6(2)+54) |
6(22-11) |
= |
1(12+54) |
6(11) |
= |
1(66) |
66 |
= |
66 |
= |
www.educa.mx |
| Ejercicio 21 | ||
66(-90 x-90) |
= |
36(60 x+60) |
-5940 x-5940 |
= |
2160 x+2160 |
-5940 x-2160 x |
= |
2160+5940 |
-8100x |
= |
8100 |
x |
= |
8100 / -8100 |
x |
= |
-1 |
Comprobación |
66(-90 x-90) |
= |
36(60 x+60) |
66(-90(-1)-90) |
= |
36(60(-1)+60) |
66(90-90) |
= |
36(-60+60) |
66(0) |
= |
36(0) |
0 |
= |
0 |
= |
www.educa.mx |
| Ejercicio 22 | ||
25(20 x+40) |
= |
25(35 x+100) |
500 x+1000 |
= |
875 x+2500 |
500 x-875 x |
= |
2500-1000 |
-375x |
= |
1500 |
x |
= |
1500 / -375 |
x |
= |
-4 |
Comprobación |
25(20 x+40) |
= |
25(35 x+100) |
25(20(-4)+40) |
= |
25(35(-4)+100) |
25(-80+40) |
= |
25(-140+100) |
25(-40) |
= |
25(-40) |
-1000 |
= |
-1000 |
= |
www.educa.mx |
| Ejercicio 23 | ||
70(-50 x-35) |
= |
25(-35 x+1162) |
-3500 x-2450 |
= |
-875 x+29050 |
-3500 x+875 x |
= |
29050+2450 |
-2625x |
= |
31500 |
x |
= |
31500 / -2625 |
x |
= |
-12 |
Comprobación |
70(-50 x-35) |
= |
25(-35 x+1162) |
70(-50(-12)-35) |
= |
25(-35(-12)+1162) |
70(600-35) |
= |
25(420+1162) |
70(565) |
= |
25(1582) |
39550 |
= |
39550 |
= |
www.educa.mx |
| Ejercicio 24 | ||
-50(10 x+70) |
= |
100(10 x+85) |
-500 x-3500 |
= |
1000 x+8500 |
-500 x-1000 x |
= |
8500+3500 |
-1500x |
= |
12000 |
x |
= |
12000 / -1500 |
x |
= |
-8 |
Comprobación |
-50(10 x+70) |
= |
100(10 x+85) |
-50(10(-8)+70) |
= |
100(10(-8)+85) |
-50(-80+70) |
= |
100(-80+85) |
-50(-10) |
= |
100(5) |
500 |
= |
500 |
= |
www.educa.mx |
| Ejercicio 25 | ||
-168(-98 x-42) |
= |
196(112 x-20) |
16464 x+7056 |
= |
21952 x-3920 |
16464 x-21952 x |
= |
-3920-7056 |
-5488x |
= |
-10976 |
x |
= |
-10976 / -5488 |
x |
= |
2 |
Comprobación |
-168(-98 x-42) |
= |
196(112 x-20) |
-168(-98(2)-42) |
= |
196(112(2)-20) |
-168(-196-42) |
= |
196(224-20) |
-168(-238) |
= |
196(204) |
39984 |
= |
39984 |
= |
www.educa.mx |
| Ejercicio 26 | ||
-117(-126 x+81) |
= |
81(108 x-709) |
14742 x-9477 |
= |
8748 x-57429 |
14742 x-8748 x |
= |
-57429+9477 |
5994x |
= |
-47952 |
x |
= |
-47952 / 5994 |
x |
= |
-8 |
Comprobación |
-117(-126 x+81) |
= |
81(108 x-709) |
-117(-126(-8)+81) |
= |
81(108(-8)-709) |
-117(1008+81) |
= |
81(-864-709) |
-117(1089) |
= |
81(-1573) |
-127413 |
= |
-127413 |
= |
www.educa.mx |
| Ejercicio 27 | ||
-28(56 x+210) |
= |
196(210 x+188) |
-1568 x-5880 |
= |
41160 x+36848 |
-1568 x-41160 x |
= |
36848+5880 |
-42728x |
= |
42728 |
x |
= |
42728 / -42728 |
x |
= |
-1 |
Comprobación |
-28(56 x+210) |
= |
196(210 x+188) |
-28(56(-1)+210) |
= |
196(210(-1)+188) |
-28(-56+210) |
= |
196(-210+188) |
-28(154) |
= |
196(-22) |
-4312 |
= |
-4312 |
= |
www.educa.mx |
| Ejercicio 28 | ||
-2(-4 x+6) |
= |
4(16 x+109) |
8 x-12 |
= |
64 x+436 |
8 x-64 x |
= |
436+12 |
-56x |
= |
448 |
x |
= |
448 / -56 |
x |
= |
-8 |
Comprobación |
-2(-4 x+6) |
= |
4(16 x+109) |
-2(-4(-8)+6) |
= |
4(16(-8)+109) |
-2(32+6) |
= |
4(-128+109) |
-2(38) |
= |
4(-19) |
-76 |
= |
-76 |
= |
www.educa.mx |
| Ejercicio 29 | ||
182(169 x-104) |
= |
169(-182 x-112) |
30758 x-18928 |
= |
-30758 x-18928 |
30758 x+30758 x |
= |
-18928+18928 |
61516x |
= |
0 |
x |
= |
0 / 61516 |
x |
= |
0 |
Comprobación |
182(169 x-104) |
= |
169(-182 x-112) |
182(169(0)-104) |
= |
169(-182(0)-112) |
182(0-104) |
= |
169(0-112) |
182(-104) |
= |
169(-112) |
-18928 |
= |
-18928 |
= |
www.educa.mx |
| Ejercicio 30 | ||
-168(112 x-210) |
= |
196(14 x-1360) |
-18816 x+35280 |
= |
2744 x-266560 |
-18816 x-2744 x |
= |
-266560-35280 |
-21560x |
= |
-301840 |
x |
= |
-301840 / -21560 |
x |
= |
14 |
Comprobación |
-168(112 x-210) |
= |
196(14 x-1360) |
-168(112(14)-210) |
= |
196(14(14)-1360) |
-168(1568-210) |
= |
196(196-1360) |
-168(1358) |
= |
196(-1164) |
-228144 |
= |
-228144 |
= |
www.educa.mx |
| Ejercicio 31 | ||
48(24 x+28) |
= |
16(52 x+324) |
1152 x+1344 |
= |
832 x+5184 |
1152 x-832 x |
= |
5184-1344 |
320x |
= |
3840 |
x |
= |
3840 / 320 |
x |
= |
12 |
Comprobación |
48(24 x+28) |
= |
16(52 x+324) |
48(24(12)+28) |
= |
16(52(12)+324) |
48(288+28) |
= |
16(624+324) |
48(316) |
= |
16(948) |
15168 |
= |
15168 |
= |
www.educa.mx |
| Ejercicio 32 | ||
-48(-32 x+16) |
= |
16(44 x+160) |
1536 x-768 |
= |
704 x+2560 |
1536 x-704 x |
= |
2560+768 |
832x |
= |
3328 |
x |
= |
3328 / 832 |
x |
= |
4 |
Comprobación |
-48(-32 x+16) |
= |
16(44 x+160) |
-48(-32(4)+16) |
= |
16(44(4)+160) |
-48(-128+16) |
= |
16(176+160) |
-48(-112) |
= |
16(336) |
5376 |
= |
5376 |
= |
www.educa.mx |
| Ejercicio 33 | ||
-32(-56 x+120) |
= |
64(-40 x-1080) |
1792 x-3840 |
= |
-2560 x-69120 |
1792 x+2560 x |
= |
-69120+3840 |
4352x |
= |
-65280 |
x |
= |
-65280 / 4352 |
x |
= |
-15 |
Comprobación |
-32(-56 x+120) |
= |
64(-40 x-1080) |
-32(-56(-15)+120) |
= |
64(-40(-15)-1080) |
-32(840+120) |
= |
64(600-1080) |
-32(960) |
= |
64(-480) |
-30720 |
= |
-30720 |
= |
www.educa.mx |
| Ejercicio 34 | ||
-50(-80 x+10) |
= |
100(100 x+895) |
4000 x-500 |
= |
10000 x+89500 |
4000 x-10000 x |
= |
89500+500 |
-6000x |
= |
90000 |
x |
= |
90000 / -6000 |
x |
= |
-15 |
Comprobación |
-50(-80 x+10) |
= |
100(100 x+895) |
-50(-80(-15)+10) |
= |
100(100(-15)+895) |
-50(1200+10) |
= |
100(-1500+895) |
-50(1210) |
= |
100(-605) |
-60500 |
= |
-60500 |
= |
www.educa.mx |
| Ejercicio 35 | ||
150(-80 x+60) |
= |
100(-10 x+1410) |
-12000 x+9000 |
= |
-1000 x+141000 |
-12000 x+1000 x |
= |
141000-9000 |
-11000x |
= |
132000 |
x |
= |
132000 / -11000 |
x |
= |
-12 |
Comprobación |
150(-80 x+60) |
= |
100(-10 x+1410) |
150(-80(-12)+60) |
= |
100(-10(-12)+1410) |
150(960+60) |
= |
100(120+1410) |
150(1020) |
= |
100(1530) |
153000 |
= |
153000 |
= |
www.educa.mx |
| Ejercicio 36 | ||
-105(135 x+135) |
= |
225(135 x+1521) |
-14175 x-14175 |
= |
30375 x+342225 |
-14175 x-30375 x |
= |
342225+14175 |
-44550x |
= |
356400 |
x |
= |
356400 / -44550 |
x |
= |
-8 |
Comprobación |
-105(135 x+135) |
= |
225(135 x+1521) |
-105(135(-8)+135) |
= |
225(135(-8)+1521) |
-105(-1080+135) |
= |
225(-1080+1521) |
-105(-945) |
= |
225(441) |
99225 |
= |
99225 |
= |
www.educa.mx |
| Ejercicio 37 | ||
-75(-75 x+15) |
= |
225(195 x-685) |
5625 x-1125 |
= |
43875 x-154125 |
5625 x-43875 x |
= |
-154125+1125 |
-38250x |
= |
-153000 |
x |
= |
-153000 / -38250 |
x |
= |
4 |
Comprobación |
-75(-75 x+15) |
= |
225(195 x-685) |
-75(-75(4)+15) |
= |
225(195(4)-685) |
-75(-300+15) |
= |
225(780-685) |
-75(-285) |
= |
225(95) |
21375 |
= |
21375 |
= |
www.educa.mx |
| Ejercicio 38 | ||
35(7 x-91) |
= |
49(-49 x-875) |
245 x-3185 |
= |
-2401 x-42875 |
245 x+2401 x |
= |
-42875+3185 |
2646x |
= |
-39690 |
x |
= |
-39690 / 2646 |
x |
= |
-15 |
Comprobación |
35(7 x-91) |
= |
49(-49 x-875) |
35(7(-15)-91) |
= |
49(-49(-15)-875) |
35(-105-91) |
= |
49(735-875) |
35(-196) |
= |
49(-140) |
-6860 |
= |
-6860 |
= |
www.educa.mx |
| Ejercicio 39 | ||
-180(-120 x+150) |
= |
225(180 x+636) |
21600 x-27000 |
= |
40500 x+143100 |
21600 x-40500 x |
= |
143100+27000 |
-18900x |
= |
170100 |
x |
= |
170100 / -18900 |
x |
= |
-9 |
Comprobación |
-180(-120 x+150) |
= |
225(180 x+636) |
-180(-120(-9)+150) |
= |
225(180(-9)+636) |
-180(1080+150) |
= |
225(-1620+636) |
-180(1230) |
= |
225(-984) |
-221400 |
= |
-221400 |
= |
www.educa.mx |
| Ejercicio 40 | ||
-72(8 x-112) |
= |
64(8 x-61) |
-576 x+8064 |
= |
512 x-3904 |
-576 x-512 x |
= |
-3904-8064 |
-1088x |
= |
-11968 |
x |
= |
-11968 / -1088 |
x |
= |
11 |
Comprobación |
-72(8 x-112) |
= |
64(8 x-61) |
-72(8(11)-112) |
= |
64(8(11)-61) |
-72(88-112) |
= |
64(88-61) |
-72(-24) |
= |
64(27) |
1728 |
= |
1728 |
= |
www.educa.mx |
| Ejercicio 41 | ||
77(154 x+22) |
= |
121(-165 x+1592) |
11858 x+1694 |
= |
-19965 x+192632 |
11858 x+19965 x |
= |
192632-1694 |
31823x |
= |
190938 |
x |
= |
190938 / 31823 |
x |
= |
6 |
Comprobación |
77(154 x+22) |
= |
121(-165 x+1592) |
77(154(6)+22) |
= |
121(-165(6)+1592) |
77(924+22) |
= |
121(-990+1592) |
77(946) |
= |
121(602) |
72842 |
= |
72842 |
= |
www.educa.mx |
| Ejercicio 42 | ||
168(-72 x-84) |
= |
144(180 x-3002) |
-12096 x-14112 |
= |
25920 x-432288 |
-12096 x-25920 x |
= |
-432288+14112 |
-38016x |
= |
-418176 |
x |
= |
-418176 / -38016 |
x |
= |
11 |
Comprobación |
168(-72 x-84) |
= |
144(180 x-3002) |
168(-72(11)-84) |
= |
144(180(11)-3002) |
168(-792-84) |
= |
144(1980-3002) |
168(-876) |
= |
144(-1022) |
-147168 |
= |
-147168 |
= |
www.educa.mx |
| Ejercicio 43 | ||
36(18 x-39) |
= |
9(9 x-30) |
648 x-1404 |
= |
81 x-270 |
648 x-81 x |
= |
-270+1404 |
567x |
= |
1134 |
x |
= |
1134 / 567 |
x |
= |
2 |
Comprobación |
36(18 x-39) |
= |
9(9 x-30) |
36(18(2)-39) |
= |
9(9(2)-30) |
36(36-39) |
= |
9(18-30) |
36(-3) |
= |
9(-12) |
-108 |
= |
-108 |
= |
www.educa.mx |
| Ejercicio 44 | ||
8(-32 x-48) |
= |
16(-12 x-24) |
-256 x-384 |
= |
-192 x-384 |
-256 x+192 x |
= |
-384+384 |
-64x |
= |
0 |
x |
= |
0 / -64 |
x |
= |
0 |
Comprobación |
8(-32 x-48) |
= |
16(-12 x-24) |
8(-32(0)-48) |
= |
16(-12(0)-24) |
8(0-48) |
= |
16(0-24) |
8(-48) |
= |
16(-24) |
-384 |
= |
-384 |
= |
www.educa.mx |
| Ejercicio 45 | ||
-20(150 x-110) |
= |
100(-100 x+22) |
-3000 x+2200 |
= |
-10000 x+2200 |
-3000 x+10000 x |
= |
2200-2200 |
7000x |
= |
0 |
x |
= |
0 / 7000 |
x |
= |
0 |
Comprobación |
-20(150 x-110) |
= |
100(-100 x+22) |
-20(150(0)-110) |
= |
100(-100(0)+22) |
-20(0-110) |
= |
100(0+22) |
-20(-110) |
= |
100(22) |
2200 |
= |
2200 |
= |
www.educa.mx |
| Ejercicio 46 | ||
-33(12 x+9) |
= |
9(18 x-219) |
-396 x-297 |
= |
162 x-1971 |
-396 x-162 x |
= |
-1971+297 |
-558x |
= |
-1674 |
x |
= |
-1674 / -558 |
x |
= |
3 |
Comprobación |
-33(12 x+9) |
= |
9(18 x-219) |
-33(12(3)+9) |
= |
9(18(3)-219) |
-33(36+9) |
= |
9(54-219) |
-33(45) |
= |
9(-165) |
-1485 |
= |
-1485 |
= |
www.educa.mx |
| Ejercicio 47 | ||
120(108 x-12) |
= |
144(168 x+458) |
12960 x-1440 |
= |
24192 x+65952 |
12960 x-24192 x |
= |
65952+1440 |
-11232x |
= |
67392 |
x |
= |
67392 / -11232 |
x |
= |
-6 |
Comprobación |
120(108 x-12) |
= |
144(168 x+458) |
120(108(-6)-12) |
= |
144(168(-6)+458) |
120(-648-12) |
= |
144(-1008+458) |
120(-660) |
= |
144(-550) |
-79200 |
= |
-79200 |
= |
www.educa.mx |
| Ejercicio 48 | ||
30(33 x-36) |
= |
9(21 x-565) |
990 x-1080 |
= |
189 x-5085 |
990 x-189 x |
= |
-5085+1080 |
801x |
= |
-4005 |
x |
= |
-4005 / 801 |
x |
= |
-5 |
Comprobación |
30(33 x-36) |
= |
9(21 x-565) |
30(33(-5)-36) |
= |
9(21(-5)-565) |
30(-165-36) |
= |
9(-105-565) |
30(-201) |
= |
9(-670) |
-6030 |
= |
-6030 |
= |
www.educa.mx |
| Ejercicio 49 | ||
-45(30 x-45) |
= |
9(33 x-2154) |
-1350 x+2025 |
= |
297 x-19386 |
-1350 x-297 x |
= |
-19386-2025 |
-1647x |
= |
-21411 |
x |
= |
-21411 / -1647 |
x |
= |
13 |
Comprobación |
-45(30 x-45) |
= |
9(33 x-2154) |
-45(30(13)-45) |
= |
9(33(13)-2154) |
-45(390-45) |
= |
9(429-2154) |
-45(345) |
= |
9(-1725) |
-15525 |
= |
-15525 |
= |
www.educa.mx |
| Ejercicio 50 | ||
108(-99 x-108) |
= |
81(-117 x-324) |
-10692 x-11664 |
= |
-9477 x-26244 |
-10692 x+9477 x |
= |
-26244+11664 |
-1215x |
= |
-14580 |
x |
= |
-14580 / -1215 |
x |
= |
12 |
Comprobación |
108(-99 x-108) |
= |
81(-117 x-324) |
108(-99(12)-108) |
= |
81(-117(12)-324) |
108(-1188-108) |
= |
81(-1404-324) |
108(-1296) |
= |
81(-1728) |
-139968 |
= |
-139968 |
= |
www.educa.mx |
| Ejercicio 51 | ||
-168(-196 x-70) |
= |
196(-154 x-2838) |
32928 x+11760 |
= |
-30184 x-556248 |
32928 x+30184 x |
= |
-556248-11760 |
63112x |
= |
-568008 |
x |
= |
-568008 / 63112 |
x |
= |
-9 |
Comprobación |
-168(-196 x-70) |
= |
196(-154 x-2838) |
-168(-196(-9)-70) |
= |
196(-154(-9)-2838) |
-168(1764-70) |
= |
196(1386-2838) |
-168(1694) |
= |
196(-1452) |
-284592 |
= |
-284592 |
= |
www.educa.mx |
| Ejercicio 52 | ||
12(-1 x+12) |
= |
1(4 x+128) |
-12 x+144 |
= |
4 x+128 |
-12 x-4 x |
= |
128-144 |
-16x |
= |
-16 |
x |
= |
-16 / -16 |
x |
= |
1 |
Comprobación |
12(-1 x+12) |
= |
1(4 x+128) |
12(-1(1)+12) |
= |
1(4(1)+128) |
12(-1+12) |
= |
1(4+128) |
12(11) |
= |
1(132) |
132 |
= |
132 |
= |
www.educa.mx |
| Ejercicio 53 | ||
-72(64 x+64) |
= |
64(-48 x+192) |
-4608 x-4608 |
= |
-3072 x+12288 |
-4608 x+3072 x |
= |
12288+4608 |
-1536x |
= |
16896 |
x |
= |
16896 / -1536 |
x |
= |
-11 |
Comprobación |
-72(64 x+64) |
= |
64(-48 x+192) |
-72(64(-11)+64) |
= |
64(-48(-11)+192) |
-72(-704+64) |
= |
64(528+192) |
-72(-640) |
= |
64(720) |
46080 |
= |
46080 |
= |
www.educa.mx |
| Ejercicio 54 | ||
66(-66 x-84) |
= |
36(66 x-154) |
-4356 x-5544 |
= |
2376 x-5544 |
-4356 x-2376 x |
= |
-5544+5544 |
-6732x |
= |
0 |
x |
= |
0 / -6732 |
x |
= |
0 |
Comprobación |
66(-66 x-84) |
= |
36(66 x-154) |
66(-66(0)-84) |
= |
36(66(0)-154) |
66(0-84) |
= |
36(0-154) |
66(-84) |
= |
36(-154) |
-5544 |
= |
-5544 |
= |
www.educa.mx |
| Ejercicio 55 | ||
12(-48 x-42) |
= |
36(-60 x+382) |
-576 x-504 |
= |
-2160 x+13752 |
-576 x+2160 x |
= |
13752+504 |
1584x |
= |
14256 |
x |
= |
14256 / 1584 |
x |
= |
9 |
Comprobación |
12(-48 x-42) |
= |
36(-60 x+382) |
12(-48(9)-42) |
= |
36(-60(9)+382) |
12(-432-42) |
= |
36(-540+382) |
12(-474) |
= |
36(-158) |
-5688 |
= |
-5688 |
= |
www.educa.mx |
| Ejercicio 56 | ||
-72(120 x-48) |
= |
144(-24 x-156) |
-8640 x+3456 |
= |
-3456 x-22464 |
-8640 x+3456 x |
= |
-22464-3456 |
-5184x |
= |
-25920 |
x |
= |
-25920 / -5184 |
x |
= |
5 |
Comprobación |
-72(120 x-48) |
= |
144(-24 x-156) |
-72(120(5)-48) |
= |
144(-24(5)-156) |
-72(600-48) |
= |
144(-120-156) |
-72(552) |
= |
144(-276) |
-39744 |
= |
-39744 |
= |
www.educa.mx |
| Ejercicio 57 | ||
-196(168 x+28) |
= |
196(-14 x-490) |
-32928 x-5488 |
= |
-2744 x-96040 |
-32928 x+2744 x |
= |
-96040+5488 |
-30184x |
= |
-90552 |
x |
= |
-90552 / -30184 |
x |
= |
3 |
Comprobación |
-196(168 x+28) |
= |
196(-14 x-490) |
-196(168(3)+28) |
= |
196(-14(3)-490) |
-196(504+28) |
= |
196(-42-490) |
-196(532) |
= |
196(-532) |
-104272 |
= |
-104272 |
= |
www.educa.mx |
| Ejercicio 58 | ||
-180(-195 x+195) |
= |
225(195 x-702) |
35100 x-35100 |
= |
43875 x-157950 |
35100 x-43875 x |
= |
-157950+35100 |
-8775x |
= |
-122850 |
x |
= |
-122850 / -8775 |
x |
= |
14 |
Comprobación |
-180(-195 x+195) |
= |
225(195 x-702) |
-180(-195(14)+195) |
= |
225(195(14)-702) |
-180(-2730+195) |
= |
225(2730-702) |
-180(-2535) |
= |
225(2028) |
456300 |
= |
456300 |
= |
www.educa.mx |
| Ejercicio 59 | ||
21(15 x-30) |
= |
9(15 x-250) |
315 x-630 |
= |
135 x-2250 |
315 x-135 x |
= |
-2250+630 |
180x |
= |
-1620 |
x |
= |
-1620 / 180 |
x |
= |
-9 |
Comprobación |
21(15 x-30) |
= |
9(15 x-250) |
21(15(-9)-30) |
= |
9(15(-9)-250) |
21(-135-30) |
= |
9(-135-250) |
21(-165) |
= |
9(-385) |
-3465 |
= |
-3465 |
= |
www.educa.mx |
| Ejercicio 60 | ||
-100(100 x-30) |
= |
100(10 x-300) |
-10000 x+3000 |
= |
1000 x-30000 |
-10000 x-1000 x |
= |
-30000-3000 |
-11000x |
= |
-33000 |
x |
= |
-33000 / -11000 |
x |
= |
3 |
Comprobación |
-100(100 x-30) |
= |
100(10 x-300) |
-100(100(3)-30) |
= |
100(10(3)-300) |
-100(300-30) |
= |
100(30-300) |
-100(270) |
= |
100(-270) |
-27000 |
= |
-27000 |
= |
www.educa.mx |
| Ejercicio 61 | ||
110(-150 x+90) |
= |
100(-70 x-1231) |
-16500 x+9900 |
= |
-7000 x-123100 |
-16500 x+7000 x |
= |
-123100-9900 |
-9500x |
= |
-133000 |
x |
= |
-133000 / -9500 |
x |
= |
14 |
Comprobación |
110(-150 x+90) |
= |
100(-70 x-1231) |
110(-150(14)+90) |
= |
100(-70(14)-1231) |
110(-2100+90) |
= |
100(-980-1231) |
110(-2010) |
= |
100(-2211) |
-221100 |
= |
-221100 |
= |
www.educa.mx |
| Ejercicio 62 | ||
-30(-33 x-33) |
= |
9(12 x-1262) |
990 x+990 |
= |
108 x-11358 |
990 x-108 x |
= |
-11358-990 |
882x |
= |
-12348 |
x |
= |
-12348 / 882 |
x |
= |
-14 |
Comprobación |
-30(-33 x-33) |
= |
9(12 x-1262) |
-30(-33(-14)-33) |
= |
9(12(-14)-1262) |
-30(462-33) |
= |
9(-168-1262) |
-30(429) |
= |
9(-1430) |
-12870 |
= |
-12870 |
= |
www.educa.mx |
| Ejercicio 63 | ||
-24(-3 x-6) |
= |
9(-24 x+272) |
72 x+144 |
= |
-216 x+2448 |
72 x+216 x |
= |
2448-144 |
288x |
= |
2304 |
x |
= |
2304 / 288 |
x |
= |
8 |
Comprobación |
-24(-3 x-6) |
= |
9(-24 x+272) |
-24(-3(8)-6) |
= |
9(-24(8)+272) |
-24(-24-6) |
= |
9(-192+272) |
-24(-30) |
= |
9(80) |
720 |
= |
720 |
= |
www.educa.mx |
| Ejercicio 64 | ||
81(-9 x+9) |
= |
81(-90 x+9) |
-729 x+729 |
= |
-7290 x+729 |
-729 x+7290 x |
= |
729-729 |
6561x |
= |
0 |
x |
= |
0 / 6561 |
x |
= |
0 |
Comprobación |
81(-9 x+9) |
= |
81(-90 x+9) |
81(-9(0)+9) |
= |
81(-90(0)+9) |
81(0+9) |
= |
81(0+9) |
81(9) |
= |
81(9) |
729 |
= |
729 |
= |
www.educa.mx |
| Ejercicio 65 | ||
-15(-75 x+65) |
= |
25(-55 x-39) |
1125 x-975 |
= |
-1375 x-975 |
1125 x+1375 x |
= |
-975+975 |
2500x |
= |
0 |
x |
= |
0 / 2500 |
x |
= |
0 |
Comprobación |
-15(-75 x+65) |
= |
25(-55 x-39) |
-15(-75(0)+65) |
= |
25(-55(0)-39) |
-15(0+65) |
= |
25(0-39) |
-15(65) |
= |
25(-39) |
-975 |
= |
-975 |
= |
www.educa.mx |
| Ejercicio 66 | ||
40(96 x-104) |
= |
64(8 x-793) |
3840 x-4160 |
= |
512 x-50752 |
3840 x-512 x |
= |
-50752+4160 |
3328x |
= |
-46592 |
x |
= |
-46592 / 3328 |
x |
= |
-14 |
Comprobación |
40(96 x-104) |
= |
64(8 x-793) |
40(96(-14)-104) |
= |
64(8(-14)-793) |
40(-1344-104) |
= |
64(-112-793) |
40(-1448) |
= |
64(-905) |
-57920 |
= |
-57920 |
= |
www.educa.mx |
| Ejercicio 67 | ||
54(84 x-18) |
= |
36(-36 x+297) |
4536 x-972 |
= |
-1296 x+10692 |
4536 x+1296 x |
= |
10692+972 |
5832x |
= |
11664 |
x |
= |
11664 / 5832 |
x |
= |
2 |
Comprobación |
54(84 x-18) |
= |
36(-36 x+297) |
54(84(2)-18) |
= |
36(-36(2)+297) |
54(168-18) |
= |
36(-72+297) |
54(150) |
= |
36(225) |
8100 |
= |
8100 |
= |
www.educa.mx |
| Ejercicio 68 | ||
-56(77 x-49) |
= |
49(7 x-1084) |
-4312 x+2744 |
= |
343 x-53116 |
-4312 x-343 x |
= |
-53116-2744 |
-4655x |
= |
-55860 |
x |
= |
-55860 / -4655 |
x |
= |
12 |
Comprobación |
-56(77 x-49) |
= |
49(7 x-1084) |
-56(77(12)-49) |
= |
49(7(12)-1084) |
-56(924-49) |
= |
49(84-1084) |
-56(875) |
= |
49(-1000) |
-49000 |
= |
-49000 |
= |
www.educa.mx |
| Ejercicio 69 | ||
-169(-39 x+26) |
= |
169(-104 x+546) |
6591 x-4394 |
= |
-17576 x+92274 |
6591 x+17576 x |
= |
92274+4394 |
24167x |
= |
96668 |
x |
= |
96668 / 24167 |
x |
= |
4 |
Comprobación |
-169(-39 x+26) |
= |
169(-104 x+546) |
-169(-39(4)+26) |
= |
169(-104(4)+546) |
-169(-156+26) |
= |
169(-416+546) |
-169(-130) |
= |
169(130) |
21970 |
= |
21970 |
= |
www.educa.mx |
| Ejercicio 70 | ||
132(-84 x+156) |
= |
144(108 x+1623) |
-11088 x+20592 |
= |
15552 x+233712 |
-11088 x-15552 x |
= |
233712-20592 |
-26640x |
= |
213120 |
x |
= |
213120 / -26640 |
x |
= |
-8 |
Comprobación |
132(-84 x+156) |
= |
144(108 x+1623) |
132(-84(-8)+156) |
= |
144(108(-8)+1623) |
132(672+156) |
= |
144(-864+1623) |
132(828) |
= |
144(759) |
109296 |
= |
109296 |
= |
www.educa.mx |
| Ejercicio 71 | ||
14(-14 x+12) |
= |
1(-1 x+1923) |
-196 x+168 |
= |
- x+1923 |
-196 x+ x |
= |
1923-168 |
-195x |
= |
1755 |
x |
= |
1755 / -195 |
x |
= |
-9 |
Comprobación |
14(-14 x+12) |
= |
1(-1 x+1923) |
14(-14(-9)+12) |
= |
1(-1(-9)+1923) |
14(126+12) |
= |
1(9+1923) |
14(138) |
= |
1(1932) |
1932 |
= |
1932 |
= |
www.educa.mx |
| Ejercicio 72 | ||
-96(80 x+16) |
= |
64(88 x-1064) |
-7680 x-1536 |
= |
5632 x-68096 |
-7680 x-5632 x |
= |
-68096+1536 |
-13312x |
= |
-66560 |
x |
= |
-66560 / -13312 |
x |
= |
5 |
Comprobación |
-96(80 x+16) |
= |
64(88 x-1064) |
-96(80(5)+16) |
= |
64(88(5)-1064) |
-96(400+16) |
= |
64(440-1064) |
-96(416) |
= |
64(-624) |
-39936 |
= |
-39936 |
= |
www.educa.mx |
| Ejercicio 73 | ||
-77(98 x-56) |
= |
49(-56 x+1460) |
-7546 x+4312 |
= |
-2744 x+71540 |
-7546 x+2744 x |
= |
71540-4312 |
-4802x |
= |
67228 |
x |
= |
67228 / -4802 |
x |
= |
-14 |
Comprobación |
-77(98 x-56) |
= |
49(-56 x+1460) |
-77(98(-14)-56) |
= |
49(-56(-14)+1460) |
-77(-1372-56) |
= |
49(784+1460) |
-77(-1428) |
= |
49(2244) |
109956 |
= |
109956 |
= |
www.educa.mx |
| Ejercicio 74 | ||
7(11 x-4) |
= |
1(-8 x-1218) |
77 x-28 |
= |
-8 x-1218 |
77 x+8 x |
= |
-1218+28 |
85x |
= |
-1190 |
x |
= |
-1190 / 85 |
x |
= |
-14 |
Comprobación |
7(11 x-4) |
= |
1(-8 x-1218) |
7(11(-14)-4) |
= |
1(-8(-14)-1218) |
7(-154-4) |
= |
1(112-1218) |
7(-158) |
= |
1(-1106) |
-1106 |
= |
-1106 |
= |
www.educa.mx |
| Ejercicio 75 | ||
-55(40 x+45) |
= |
25(-55 x-528) |
-2200 x-2475 |
= |
-1375 x-13200 |
-2200 x+1375 x |
= |
-13200+2475 |
-825x |
= |
-10725 |
x |
= |
-10725 / -825 |
x |
= |
13 |
Comprobación |
-55(40 x+45) |
= |
25(-55 x-528) |
-55(40(13)+45) |
= |
25(-55(13)-528) |
-55(520+45) |
= |
25(-715-528) |
-55(565) |
= |
25(-1243) |
-31075 |
= |
-31075 |
= |
www.educa.mx |
| Ejercicio 76 | ||
-26(-28 x+24) |
= |
4(-18 x+2644) |
728 x-624 |
= |
-72 x+10576 |
728 x+72 x |
= |
10576+624 |
800x |
= |
11200 |
x |
= |
11200 / 800 |
x |
= |
14 |
Comprobación |
-26(-28 x+24) |
= |
4(-18 x+2644) |
-26(-28(14)+24) |
= |
4(-18(14)+2644) |
-26(-392+24) |
= |
4(-252+2644) |
-26(-368) |
= |
4(2392) |
9568 |
= |
9568 |
= |
www.educa.mx |
| Ejercicio 77 | ||
65(-65 x-35) |
= |
25(-35 x-895) |
-4225 x-2275 |
= |
-875 x-22375 |
-4225 x+875 x |
= |
-22375+2275 |
-3350x |
= |
-20100 |
x |
= |
-20100 / -3350 |
x |
= |
6 |
Comprobación |
65(-65 x-35) |
= |
25(-35 x-895) |
65(-65(6)-35) |
= |
25(-35(6)-895) |
65(-390-35) |
= |
25(-210-895) |
65(-425) |
= |
25(-1105) |
-27625 |
= |
-27625 |
= |
www.educa.mx |
| Ejercicio 78 | ||
110(-11 x-132) |
= |
121(-154 x+1176) |
-1210 x-14520 |
= |
-18634 x+142296 |
-1210 x+18634 x |
= |
142296+14520 |
17424x |
= |
156816 |
x |
= |
156816 / 17424 |
x |
= |
9 |
Comprobación |
110(-11 x-132) |
= |
121(-154 x+1176) |
110(-11(9)-132) |
= |
121(-154(9)+1176) |
110(-99-132) |
= |
121(-1386+1176) |
110(-231) |
= |
121(-210) |
-25410 |
= |
-25410 |
= |
www.educa.mx |
| Ejercicio 79 | ||
-56(40 x-88) |
= |
64(104 x+911) |
-2240 x+4928 |
= |
6656 x+58304 |
-2240 x-6656 x |
= |
58304-4928 |
-8896x |
= |
53376 |
x |
= |
53376 / -8896 |
x |
= |
-6 |
Comprobación |
-56(40 x-88) |
= |
64(104 x+911) |
-56(40(-6)-88) |
= |
64(104(-6)+911) |
-56(-240-88) |
= |
64(-624+911) |
-56(-328) |
= |
64(287) |
18368 |
= |
18368 |
= |
www.educa.mx |
| Ejercicio 80 | ||
84(-84 x-112) |
= |
196(126 x-534) |
-7056 x-9408 |
= |
24696 x-104664 |
-7056 x-24696 x |
= |
-104664+9408 |
-31752x |
= |
-95256 |
x |
= |
-95256 / -31752 |
x |
= |
3 |
Comprobación |
84(-84 x-112) |
= |
196(126 x-534) |
84(-84(3)-112) |
= |
196(126(3)-534) |
84(-252-112) |
= |
196(378-534) |
84(-364) |
= |
196(-156) |
-30576 |
= |
-30576 |
= |
www.educa.mx |
| Ejercicio 81 | ||
-40(10 x+80) |
= |
100(130 x-702) |
-400 x-3200 |
= |
13000 x-70200 |
-400 x-13000 x |
= |
-70200+3200 |
-13400x |
= |
-67000 |
x |
= |
-67000 / -13400 |
x |
= |
5 |
Comprobación |
-40(10 x+80) |
= |
100(130 x-702) |
-40(10(5)+80) |
= |
100(130(5)-702) |
-40(50+80) |
= |
100(650-702) |
-40(130) |
= |
100(-52) |
-5200 |
= |
-5200 |
= |
www.educa.mx |
| Ejercicio 82 | ||
104(-32 x-72) |
= |
64(40 x+527) |
-3328 x-7488 |
= |
2560 x+33728 |
-3328 x-2560 x |
= |
33728+7488 |
-5888x |
= |
41216 |
x |
= |
41216 / -5888 |
x |
= |
-7 |
Comprobación |
104(-32 x-72) |
= |
64(40 x+527) |
104(-32(-7)-72) |
= |
64(40(-7)+527) |
104(224-72) |
= |
64(-280+527) |
104(152) |
= |
64(247) |
15808 |
= |
15808 |
= |
www.educa.mx |
| Ejercicio 83 | ||
24(12 x-12) |
= |
16(-48 x-150) |
288 x-288 |
= |
-768 x-2400 |
288 x+768 x |
= |
-2400+288 |
1056x |
= |
-2112 |
x |
= |
-2112 / 1056 |
x |
= |
-2 |
Comprobación |
24(12 x-12) |
= |
16(-48 x-150) |
24(12(-2)-12) |
= |
16(-48(-2)-150) |
24(-24-12) |
= |
16(96-150) |
24(-36) |
= |
16(-54) |
-864 |
= |
-864 |
= |
www.educa.mx |
| Ejercicio 84 | ||
112(-112 x-70) |
= |
196(154 x-1784) |
-12544 x-7840 |
= |
30184 x-349664 |
-12544 x-30184 x |
= |
-349664+7840 |
-42728x |
= |
-341824 |
x |
= |
-341824 / -42728 |
x |
= |
8 |
Comprobación |
112(-112 x-70) |
= |
196(154 x-1784) |
112(-112(8)-70) |
= |
196(154(8)-1784) |
112(-896-70) |
= |
196(1232-1784) |
112(-966) |
= |
196(-552) |
-108192 |
= |
-108192 |
= |
www.educa.mx |
| Ejercicio 85 | ||
-40(-130 x-130) |
= |
100(20 x+340) |
5200 x+5200 |
= |
2000 x+34000 |
5200 x-2000 x |
= |
34000-5200 |
3200x |
= |
28800 |
x |
= |
28800 / 3200 |
x |
= |
9 |
Comprobación |
-40(-130 x-130) |
= |
100(20 x+340) |
-40(-130(9)-130) |
= |
100(20(9)+340) |
-40(-1170-130) |
= |
100(180+340) |
-40(-1300) |
= |
100(520) |
52000 |
= |
52000 |
= |
www.educa.mx |
| Ejercicio 86 | ||
-72(-18 x+45) |
= |
81(-81 x+445) |
1296 x-3240 |
= |
-6561 x+36045 |
1296 x+6561 x |
= |
36045+3240 |
7857x |
= |
39285 |
x |
= |
39285 / 7857 |
x |
= |
5 |
Comprobación |
-72(-18 x+45) |
= |
81(-81 x+445) |
-72(-18(5)+45) |
= |
81(-81(5)+445) |
-72(-90+45) |
= |
81(-405+445) |
-72(-45) |
= |
81(40) |
3240 |
= |
3240 |
= |
www.educa.mx |
| Ejercicio 87 | ||
84(-84 x+78) |
= |
36(-24 x-1710) |
-7056 x+6552 |
= |
-864 x-61560 |
-7056 x+864 x |
= |
-61560-6552 |
-6192x |
= |
-68112 |
x |
= |
-68112 / -6192 |
x |
= |
11 |
Comprobación |
84(-84 x+78) |
= |
36(-24 x-1710) |
84(-84(11)+78) |
= |
36(-24(11)-1710) |
84(-924+78) |
= |
36(-264-1710) |
84(-846) |
= |
36(-1974) |
-71064 |
= |
-71064 |
= |
www.educa.mx |
| Ejercicio 88 | ||
-60(60 x+75) |
= |
225(-30 x+8) |
-3600 x-4500 |
= |
-6750 x+1800 |
-3600 x+6750 x |
= |
1800+4500 |
3150x |
= |
6300 |
x |
= |
6300 / 3150 |
x |
= |
2 |
Comprobación |
-60(60 x+75) |
= |
225(-30 x+8) |
-60(60(2)+75) |
= |
225(-30(2)+8) |
-60(120+75) |
= |
225(-60+8) |
-60(195) |
= |
225(-52) |
-11700 |
= |
-11700 |
= |
www.educa.mx |
| Ejercicio 89 | ||
21(-77 x+98) |
= |
49(-7 x-322) |
-1617 x+2058 |
= |
-343 x-15778 |
-1617 x+343 x |
= |
-15778-2058 |
-1274x |
= |
-17836 |
x |
= |
-17836 / -1274 |
x |
= |
14 |
Comprobación |
21(-77 x+98) |
= |
49(-7 x-322) |
21(-77(14)+98) |
= |
49(-7(14)-322) |
21(-1078+98) |
= |
49(-98-322) |
21(-980) |
= |
49(-420) |
-20580 |
= |
-20580 |
= |
www.educa.mx |
| Ejercicio 90 | ||
-40(-80 x+56) |
= |
64(16 x-35) |
3200 x-2240 |
= |
1024 x-2240 |
3200 x-1024 x |
= |
-2240+2240 |
2176x |
= |
0 |
x |
= |
0 / 2176 |
x |
= |
0 |
Comprobación |
-40(-80 x+56) |
= |
64(16 x-35) |
-40(-80(0)+56) |
= |
64(16(0)-35) |
-40(0+56) |
= |
64(0-35) |
-40(56) |
= |
64(-35) |
-2240 |
= |
-2240 |
= |
www.educa.mx |
| Ejercicio 91 | ||
-143(-154 x+110) |
= |
121(154 x-326) |
22022 x-15730 |
= |
18634 x-39446 |
22022 x-18634 x |
= |
-39446+15730 |
3388x |
= |
-23716 |
x |
= |
-23716 / 3388 |
x |
= |
-7 |
Comprobación |
-143(-154 x+110) |
= |
121(154 x-326) |
-143(-154(-7)+110) |
= |
121(154(-7)-326) |
-143(1078+110) |
= |
121(-1078-326) |
-143(1188) |
= |
121(-1404) |
-169884 |
= |
-169884 |
= |
www.educa.mx |
| Ejercicio 92 | ||
-156(84 x+84) |
= |
144(24 x-1701) |
-13104 x-13104 |
= |
3456 x-244944 |
-13104 x-3456 x |
= |
-244944+13104 |
-16560x |
= |
-231840 |
x |
= |
-231840 / -16560 |
x |
= |
14 |
Comprobación |
-156(84 x+84) |
= |
144(24 x-1701) |
-156(84(14)+84) |
= |
144(24(14)-1701) |
-156(1176+84) |
= |
144(336-1701) |
-156(1260) |
= |
144(-1365) |
-196560 |
= |
-196560 |
= |
www.educa.mx |
| Ejercicio 93 | ||
112(-210 x+140) |
= |
196(112 x-1080) |
-23520 x+15680 |
= |
21952 x-211680 |
-23520 x-21952 x |
= |
-211680-15680 |
-45472x |
= |
-227360 |
x |
= |
-227360 / -45472 |
x |
= |
5 |
Comprobación |
112(-210 x+140) |
= |
196(112 x-1080) |
112(-210(5)+140) |
= |
196(112(5)-1080) |
112(-1050+140) |
= |
196(560-1080) |
112(-910) |
= |
196(-520) |
-101920 |
= |
-101920 |
= |
www.educa.mx |
| Ejercicio 94 | ||
-6(-3 x-3) |
= |
9(-24 x+184) |
18 x+18 |
= |
-216 x+1656 |
18 x+216 x |
= |
1656-18 |
234x |
= |
1638 |
x |
= |
1638 / 234 |
x |
= |
7 |
Comprobación |
-6(-3 x-3) |
= |
9(-24 x+184) |
-6(-3(7)-3) |
= |
9(-24(7)+184) |
-6(-21-3) |
= |
9(-168+184) |
-6(-24) |
= |
9(16) |
144 |
= |
144 |
= |
www.educa.mx |
| Ejercicio 95 | ||
30(-60 x-25) |
= |
25(60 x+498) |
-1800 x-750 |
= |
1500 x+12450 |
-1800 x-1500 x |
= |
12450+750 |
-3300x |
= |
13200 |
x |
= |
13200 / -3300 |
x |
= |
-4 |
Comprobación |
30(-60 x-25) |
= |
25(60 x+498) |
30(-60(-4)-25) |
= |
25(60(-4)+498) |
30(240-25) |
= |
25(-240+498) |
30(215) |
= |
25(258) |
6450 |
= |
6450 |
= |
www.educa.mx |
| Ejercicio 96 | ||
-28(-56 x-42) |
= |
49(98 x+288) |
1568 x+1176 |
= |
4802 x+14112 |
1568 x-4802 x |
= |
14112-1176 |
-3234x |
= |
12936 |
x |
= |
12936 / -3234 |
x |
= |
-4 |
Comprobación |
-28(-56 x-42) |
= |
49(98 x+288) |
-28(-56(-4)-42) |
= |
49(98(-4)+288) |
-28(224-42) |
= |
49(-392+288) |
-28(182) |
= |
49(-104) |
-5096 |
= |
-5096 |
= |
www.educa.mx |
| Ejercicio 97 | ||
40(10 x-15) |
= |
25(60 x-68) |
400 x-600 |
= |
1500 x-1700 |
400 x-1500 x |
= |
-1700+600 |
-1100x |
= |
-1100 |
x |
= |
-1100 / -1100 |
x |
= |
1 |
Comprobación |
40(10 x-15) |
= |
25(60 x-68) |
40(10(1)-15) |
= |
25(60(1)-68) |
40(10-15) |
= |
25(60-68) |
40(-5) |
= |
25(-8) |
-200 |
= |
-200 |
= |
www.educa.mx |
| Ejercicio 98 | ||
2(-2 x-11) |
= |
1(14 x+14) |
-4 x-22 |
= |
14 x+14 |
-4 x-14 x |
= |
14+22 |
-18x |
= |
36 |
x |
= |
36 / -18 |
x |
= |
-2 |
Comprobación |
2(-2 x-11) |
= |
1(14 x+14) |
2(-2(-2)-11) |
= |
1(14(-2)+14) |
2(4-11) |
= |
1(-28+14) |
2(-7) |
= |
1(-14) |
-14 |
= |
-14 |
= |
www.educa.mx |
| Ejercicio 99 | ||
-54(-63 x-72) |
= |
81(72 x+438) |
3402 x+3888 |
= |
5832 x+35478 |
3402 x-5832 x |
= |
35478-3888 |
-2430x |
= |
31590 |
x |
= |
31590 / -2430 |
x |
= |
-13 |
Comprobación |
-54(-63 x-72) |
= |
81(72 x+438) |
-54(-63(-13)-72) |
= |
81(72(-13)+438) |
-54(819-72) |
= |
81(-936+438) |
-54(747) |
= |
81(-498) |
-40338 |
= |
-40338 |
= |
www.educa.mx |
| Ejercicio 100 | ||
-3(-10 x+12) |
= |
1(10 x-316) |
30 x-36 |
= |
10 x-316 |
30 x-10 x |
= |
-316+36 |
20x |
= |
-280 |
x |
= |
-280 / 20 |
x |
= |
-14 |
Comprobación |
-3(-10 x+12) |
= |
1(10 x-316) |
-3(-10(-14)+12) |
= |
1(10(-14)-316) |
-3(140+12) |
= |
1(-140-316) |
-3(152) |
= |
1(-456) |
-456 |
= |
-456 |
= |
www.educa.mx |
| Ejercicio 101 | ||
126(-9 x-99) |
= |
81(-63 x-644) |
-1134 x-12474 |
= |
-5103 x-52164 |
-1134 x+5103 x |
= |
-52164+12474 |
3969x |
= |
-39690 |
x |
= |
-39690 / 3969 |
x |
= |
-10 |
Comprobación |
126(-9 x-99) |
= |
81(-63 x-644) |
126(-9(-10)-99) |
= |
81(-63(-10)-644) |
126(90-99) |
= |
81(630-644) |
126(-9) |
= |
81(-14) |
-1134 |
= |
-1134 |
= |
www.educa.mx |
| Ejercicio 102 | ||
10(10 x+70) |
= |
100(140 x-1800) |
100 x+700 |
= |
14000 x-180000 |
100 x-14000 x |
= |
-180000-700 |
-13900x |
= |
-180700 |
x |
= |
-180700 / -13900 |
x |
= |
13 |
Comprobación |
10(10 x+70) |
= |
100(140 x-1800) |
10(10(13)+70) |
= |
100(140(13)-1800) |
10(130+70) |
= |
100(1820-1800) |
10(200) |
= |
100(20) |
2000 |
= |
2000 |
= |
www.educa.mx |
| Ejercicio 103 | ||
-63(-28 x+84) |
= |
49(-42 x+282) |
1764 x-5292 |
= |
-2058 x+13818 |
1764 x+2058 x |
= |
13818+5292 |
3822x |
= |
19110 |
x |
= |
19110 / 3822 |
x |
= |
5 |
Comprobación |
-63(-28 x+84) |
= |
49(-42 x+282) |
-63(-28(5)+84) |
= |
49(-42(5)+282) |
-63(-140+84) |
= |
49(-210+282) |
-63(-56) |
= |
49(72) |
3528 |
= |
3528 |
= |
www.educa.mx |
| Ejercicio 104 | ||
-90(72 x+36) |
= |
36(-12 x+246) |
-6480 x-3240 |
= |
-432 x+8856 |
-6480 x+432 x |
= |
8856+3240 |
-6048x |
= |
12096 |
x |
= |
12096 / -6048 |
x |
= |
-2 |
Comprobación |
-90(72 x+36) |
= |
36(-12 x+246) |
-90(72(-2)+36) |
= |
36(-12(-2)+246) |
-90(-144+36) |
= |
36(24+246) |
-90(-108) |
= |
36(270) |
9720 |
= |
9720 |
= |
www.educa.mx |
| Ejercicio 105 | ||
-154(-33 x-154) |
= |
121(33 x+205) |
5082 x+23716 |
= |
3993 x+24805 |
5082 x-3993 x |
= |
24805-23716 |
1089x |
= |
1089 |
x |
= |
1089 / 1089 |
x |
= |
1 |
Comprobación |
-154(-33 x-154) |
= |
121(33 x+205) |
-154(-33(1)-154) |
= |
121(33(1)+205) |
-154(-33-154) |
= |
121(33+205) |
-154(-187) |
= |
121(238) |
28798 |
= |
28798 |
= |
www.educa.mx |
| Ejercicio 106 | ||
-45(90 x-117) |
= |
81(99 x-1574) |
-4050 x+5265 |
= |
8019 x-127494 |
-4050 x-8019 x |
= |
-127494-5265 |
-12069x |
= |
-132759 |
x |
= |
-132759 / -12069 |
x |
= |
11 |
Comprobación |
-45(90 x-117) |
= |
81(99 x-1574) |
-45(90(11)-117) |
= |
81(99(11)-1574) |
-45(990-117) |
= |
81(1089-1574) |
-45(873) |
= |
81(-485) |
-39285 |
= |
-39285 |
= |
www.educa.mx |
| Ejercicio 107 | ||
20(-10 x+140) |
= |
100(130 x-1292) |
-200 x+2800 |
= |
13000 x-129200 |
-200 x-13000 x |
= |
-129200-2800 |
-13200x |
= |
-132000 |
x |
= |
-132000 / -13200 |
x |
= |
10 |
Comprobación |
20(-10 x+140) |
= |
100(130 x-1292) |
20(-10(10)+140) |
= |
100(130(10)-1292) |
20(-100+140) |
= |
100(1300-1292) |
20(40) |
= |
100(8) |
800 |
= |
800 |
= |
www.educa.mx |
| Ejercicio 108 | ||
-39(-117 x+78) |
= |
169(-117 x+1134) |
4563 x-3042 |
= |
-19773 x+191646 |
4563 x+19773 x |
= |
191646+3042 |
24336x |
= |
194688 |
x |
= |
194688 / 24336 |
x |
= |
8 |
Comprobación |
-39(-117 x+78) |
= |
169(-117 x+1134) |
-39(-117(8)+78) |
= |
169(-117(8)+1134) |
-39(-936+78) |
= |
169(-936+1134) |
-39(-858) |
= |
169(198) |
33462 |
= |
33462 |
= |
www.educa.mx |
| Ejercicio 109 | ||
70(-84 x+14) |
= |
196(168 x-391) |
-5880 x+980 |
= |
32928 x-76636 |
-5880 x-32928 x |
= |
-76636-980 |
-38808x |
= |
-77616 |
x |
= |
-77616 / -38808 |
x |
= |
2 |
Comprobación |
70(-84 x+14) |
= |
196(168 x-391) |
70(-84(2)+14) |
= |
196(168(2)-391) |
70(-168+14) |
= |
196(336-391) |
70(-154) |
= |
196(-55) |
-10780 |
= |
-10780 |
= |
www.educa.mx |
| Ejercicio 110 | ||
-130(-26 x+169) |
= |
169(182 x+1166) |
3380 x-21970 |
= |
30758 x+197054 |
3380 x-30758 x |
= |
197054+21970 |
-27378x |
= |
219024 |
x |
= |
219024 / -27378 |
x |
= |
-8 |
Comprobación |
-130(-26 x+169) |
= |
169(182 x+1166) |
-130(-26(-8)+169) |
= |
169(182(-8)+1166) |
-130(208+169) |
= |
169(-1456+1166) |
-130(377) |
= |
169(-290) |
-49010 |
= |
-49010 |
= |
www.educa.mx |
| Ejercicio 111 | ||
-22(-88 x+44) |
= |
121(-143 x-1280) |
1936 x-968 |
= |
-17303 x-154880 |
1936 x+17303 x |
= |
-154880+968 |
19239x |
= |
-153912 |
x |
= |
-153912 / 19239 |
x |
= |
-8 |
Comprobación |
-22(-88 x+44) |
= |
121(-143 x-1280) |
-22(-88(-8)+44) |
= |
121(-143(-8)-1280) |
-22(704+44) |
= |
121(1144-1280) |
-22(748) |
= |
121(-136) |
-16456 |
= |
-16456 |
= |
www.educa.mx |
| Ejercicio 112 | ||
36(33 x+3) |
= |
9(9 x-1833) |
1188 x+108 |
= |
81 x-16497 |
1188 x-81 x |
= |
-16497-108 |
1107x |
= |
-16605 |
x |
= |
-16605 / 1107 |
x |
= |
-15 |
Comprobación |
36(33 x+3) |
= |
9(9 x-1833) |
36(33(-15)+3) |
= |
9(9(-15)-1833) |
36(-495+3) |
= |
9(-135-1833) |
36(-492) |
= |
9(-1968) |
-17712 |
= |
-17712 |
= |
www.educa.mx |
| Ejercicio 113 | ||
13(4 x+3) |
= |
1(2 x-511) |
52 x+39 |
= |
2 x-511 |
52 x-2 x |
= |
-511-39 |
50x |
= |
-550 |
x |
= |
-550 / 50 |
x |
= |
-11 |
Comprobación |
13(4 x+3) |
= |
1(2 x-511) |
13(4(-11)+3) |
= |
1(2(-11)-511) |
13(-44+3) |
= |
1(-22-511) |
13(-41) |
= |
1(-533) |
-533 |
= |
-533 |
= |
www.educa.mx |
| Ejercicio 114 | ||
-24(20 x+22) |
= |
4(-26 x+244) |
-480 x-528 |
= |
-104 x+976 |
-480 x+104 x |
= |
976+528 |
-376x |
= |
1504 |
x |
= |
1504 / -376 |
x |
= |
-4 |
Comprobación |
-24(20 x+22) |
= |
4(-26 x+244) |
-24(20(-4)+22) |
= |
4(-26(-4)+244) |
-24(-80+22) |
= |
4(104+244) |
-24(-58) |
= |
4(348) |
1392 |
= |
1392 |
= |
www.educa.mx |
| Ejercicio 115 | ||
56(-52 x-24) |
= |
16(16 x-1470) |
-2912 x-1344 |
= |
256 x-23520 |
-2912 x-256 x |
= |
-23520+1344 |
-3168x |
= |
-22176 |
x |
= |
-22176 / -3168 |
x |
= |
7 |
Comprobación |
56(-52 x-24) |
= |
16(16 x-1470) |
56(-52(7)-24) |
= |
16(16(7)-1470) |
56(-364-24) |
= |
16(112-1470) |
56(-388) |
= |
16(-1358) |
-21728 |
= |
-21728 |
= |
www.educa.mx |
| Ejercicio 116 | ||
65(-20 x+65) |
= |
25(-70 x-83) |
-1300 x+4225 |
= |
-1750 x-2075 |
-1300 x+1750 x |
= |
-2075-4225 |
450x |
= |
-6300 |
x |
= |
-6300 / 450 |
x |
= |
-14 |
Comprobación |
65(-20 x+65) |
= |
25(-70 x-83) |
65(-20(-14)+65) |
= |
25(-70(-14)-83) |
65(280+65) |
= |
25(980-83) |
65(345) |
= |
25(897) |
22425 |
= |
22425 |
= |
www.educa.mx |
| Ejercicio 117 | ||
-22(28 x-14) |
= |
4(16 x+1267) |
-616 x+308 |
= |
64 x+5068 |
-616 x-64 x |
= |
5068-308 |
-680x |
= |
4760 |
x |
= |
4760 / -680 |
x |
= |
-7 |
Comprobación |
-22(28 x-14) |
= |
4(16 x+1267) |
-22(28(-7)-14) |
= |
4(16(-7)+1267) |
-22(-196-14) |
= |
4(-112+1267) |
-22(-210) |
= |
4(1155) |
4620 |
= |
4620 |
= |
www.educa.mx |
| Ejercicio 118 | ||
-117(27 x-36) |
= |
81(36 x+802) |
-3159 x+4212 |
= |
2916 x+64962 |
-3159 x-2916 x |
= |
64962-4212 |
-6075x |
= |
60750 |
x |
= |
60750 / -6075 |
x |
= |
-10 |
Comprobación |
-117(27 x-36) |
= |
81(36 x+802) |
-117(27(-10)-36) |
= |
81(36(-10)+802) |
-117(-270-36) |
= |
81(-360+802) |
-117(-306) |
= |
81(442) |
35802 |
= |
35802 |
= |
www.educa.mx |
| Ejercicio 119 | ||
30(-180 x+15) |
= |
225(-210 x+2048) |
-5400 x+450 |
= |
-47250 x+460800 |
-5400 x+47250 x |
= |
460800-450 |
41850x |
= |
460350 |
x |
= |
460350 / 41850 |
x |
= |
11 |
Comprobación |
30(-180 x+15) |
= |
225(-210 x+2048) |
30(-180(11)+15) |
= |
225(-210(11)+2048) |
30(-1980+15) |
= |
225(-2310+2048) |
30(-1965) |
= |
225(-262) |
-58950 |
= |
-58950 |
= |
www.educa.mx |
| Ejercicio 120 | ||
-84(-84 x+49) |
= |
49(-70 x+2912) |
7056 x-4116 |
= |
-3430 x+142688 |
7056 x+3430 x |
= |
142688+4116 |
10486x |
= |
146804 |
x |
= |
146804 / 10486 |
x |
= |
14 |
Comprobación |
-84(-84 x+49) |
= |
49(-70 x+2912) |
-84(-84(14)+49) |
= |
49(-70(14)+2912) |
-84(-1176+49) |
= |
49(-980+2912) |
-84(-1127) |
= |
49(1932) |
94668 |
= |
94668 |
= |
www.educa.mx |
| Ejercicio 121 | ||
-25(-30 x+40) |
= |
25(5 x+60) |
750 x-1000 |
= |
125 x+1500 |
750 x-125 x |
= |
1500+1000 |
625x |
= |
2500 |
x |
= |
2500 / 625 |
x |
= |
4 |
Comprobación |
-25(-30 x+40) |
= |
25(5 x+60) |
-25(-30(4)+40) |
= |
25(5(4)+60) |
-25(-120+40) |
= |
25(20+60) |
-25(-80) |
= |
25(80) |
2000 |
= |
2000 |
= |
www.educa.mx |
| Ejercicio 122 | ||
120(24 x+40) |
= |
64(8 x+334) |
2880 x+4800 |
= |
512 x+21376 |
2880 x-512 x |
= |
21376-4800 |
2368x |
= |
16576 |
x |
= |
16576 / 2368 |
x |
= |
7 |
Comprobación |
120(24 x+40) |
= |
64(8 x+334) |
120(24(7)+40) |
= |
64(8(7)+334) |
120(168+40) |
= |
64(56+334) |
120(208) |
= |
64(390) |
24960 |
= |
24960 |
= |
www.educa.mx |
| Ejercicio 123 | ||
-30(-45 x+15) |
= |
9(-39 x+1462) |
1350 x-450 |
= |
-351 x+13158 |
1350 x+351 x |
= |
13158+450 |
1701x |
= |
13608 |
x |
= |
13608 / 1701 |
x |
= |
8 |
Comprobación |
-30(-45 x+15) |
= |
9(-39 x+1462) |
-30(-45(8)+15) |
= |
9(-39(8)+1462) |
-30(-360+15) |
= |
9(-312+1462) |
-30(-345) |
= |
9(1150) |
10350 |
= |
10350 |
= |
www.educa.mx |
| Ejercicio 124 | ||
70(110 x+60) |
= |
100(130 x+148) |
7700 x+4200 |
= |
13000 x+14800 |
7700 x-13000 x |
= |
14800-4200 |
-5300x |
= |
10600 |
x |
= |
10600 / -5300 |
x |
= |
-2 |
Comprobación |
70(110 x+60) |
= |
100(130 x+148) |
70(110(-2)+60) |
= |
100(130(-2)+148) |
70(-220+60) |
= |
100(-260+148) |
70(-160) |
= |
100(-112) |
-11200 |
= |
-11200 |
= |
www.educa.mx |
| Ejercicio 125 | ||
77(-77 x+132) |
= |
121(-99 x-366) |
-5929 x+10164 |
= |
-11979 x-44286 |
-5929 x+11979 x |
= |
-44286-10164 |
6050x |
= |
-54450 |
x |
= |
-54450 / 6050 |
x |
= |
-9 |
Comprobación |
77(-77 x+132) |
= |
121(-99 x-366) |
77(-77(-9)+132) |
= |
121(-99(-9)-366) |
77(693+132) |
= |
121(891-366) |
77(825) |
= |
121(525) |
63525 |
= |
63525 |
= |
www.educa.mx |
| Ejercicio 126 | ||
-96(-96 x-24) |
= |
144(156 x+1212) |
9216 x+2304 |
= |
22464 x+174528 |
9216 x-22464 x |
= |
174528-2304 |
-13248x |
= |
172224 |
x |
= |
172224 / -13248 |
x |
= |
-13 |
Comprobación |
-96(-96 x-24) |
= |
144(156 x+1212) |
-96(-96(-13)-24) |
= |
144(156(-13)+1212) |
-96(1248-24) |
= |
144(-2028+1212) |
-96(1224) |
= |
144(-816) |
-117504 |
= |
-117504 |
= |
www.educa.mx |
| Ejercicio 127 | ||
-26(26 x+22) |
= |
4(-28 x+1126) |
-676 x-572 |
= |
-112 x+4504 |
-676 x+112 x |
= |
4504+572 |
-564x |
= |
5076 |
x |
= |
5076 / -564 |
x |
= |
-9 |
Comprobación |
-26(26 x+22) |
= |
4(-28 x+1126) |
-26(26(-9)+22) |
= |
4(-28(-9)+1126) |
-26(-234+22) |
= |
4(252+1126) |
-26(-212) |
= |
4(1378) |
5512 |
= |
5512 |
= |
www.educa.mx |
| Ejercicio 128 | ||
-28(63 x-98) |
= |
49(35 x+908) |
-1764 x+2744 |
= |
1715 x+44492 |
-1764 x-1715 x |
= |
44492-2744 |
-3479x |
= |
41748 |
x |
= |
41748 / -3479 |
x |
= |
-12 |
Comprobación |
-28(63 x-98) |
= |
49(35 x+908) |
-28(63(-12)-98) |
= |
49(35(-12)+908) |
-28(-756-98) |
= |
49(-420+908) |
-28(-854) |
= |
49(488) |
23912 |
= |
23912 |
= |
www.educa.mx |
| Ejercicio 129 | ||
30(180 x-135) |
= |
225(-15 x+528) |
5400 x-4050 |
= |
-3375 x+118800 |
5400 x+3375 x |
= |
118800+4050 |
8775x |
= |
122850 |
x |
= |
122850 / 8775 |
x |
= |
14 |
Comprobación |
30(180 x-135) |
= |
225(-15 x+528) |
30(180(14)-135) |
= |
225(-15(14)+528) |
30(2520-135) |
= |
225(-210+528) |
30(2385) |
= |
225(318) |
71550 |
= |
71550 |
= |
www.educa.mx |
| Ejercicio 130 | ||
108(63 x-54) |
= |
81(-108 x-648) |
6804 x-5832 |
= |
-8748 x-52488 |
6804 x+8748 x |
= |
-52488+5832 |
15552x |
= |
-46656 |
x |
= |
-46656 / 15552 |
x |
= |
-3 |
Comprobación |
108(63 x-54) |
= |
81(-108 x-648) |
108(63(-3)-54) |
= |
81(-108(-3)-648) |
108(-189-54) |
= |
81(324-648) |
108(-243) |
= |
81(-324) |
-26244 |
= |
-26244 |
= |
www.educa.mx |
| Ejercicio 131 | ||
-195(75 x+90) |
= |
225(-60 x-138) |
-14625 x-17550 |
= |
-13500 x-31050 |
-14625 x+13500 x |
= |
-31050+17550 |
-1125x |
= |
-13500 |
x |
= |
-13500 / -1125 |
x |
= |
12 |
Comprobación |
-195(75 x+90) |
= |
225(-60 x-138) |
-195(75(12)+90) |
= |
225(-60(12)-138) |
-195(900+90) |
= |
225(-720-138) |
-195(990) |
= |
225(-858) |
-193050 |
= |
-193050 |
= |
www.educa.mx |
| Ejercicio 132 | ||
72(-72 x-66) |
= |
36(30 x+390) |
-5184 x-4752 |
= |
1080 x+14040 |
-5184 x-1080 x |
= |
14040+4752 |
-6264x |
= |
18792 |
x |
= |
18792 / -6264 |
x |
= |
-3 |
Comprobación |
72(-72 x-66) |
= |
36(30 x+390) |
72(-72(-3)-66) |
= |
36(30(-3)+390) |
72(216-66) |
= |
36(-90+390) |
72(150) |
= |
36(300) |
10800 |
= |
10800 |
= |
www.educa.mx |
| Ejercicio 133 | ||
15(15 x-5) |
= |
225(-15 x+127) |
225 x-75 |
= |
-3375 x+28575 |
225 x+3375 x |
= |
28575+75 |
3600x |
= |
28650 |
x |
= |
28650 / 3600 |
x |
= |
8 |
Comprobación |
15(15 x-5) |
= |
225(-15 x+127) |
15(15(8)-5) |
= |
225(-15(8)+127) |
15(120-5) |
= |
225(-120+127) |
15(115) |
= |
225(7) |
1725 |
= |
1575 |
= |
www.educa.mx |
| Ejercicio 134 | ||
-182(-39 x+65) |
= |
169(26 x+106) |
7098 x-11830 |
= |
4394 x+17914 |
7098 x-4394 x |
= |
17914+11830 |
2704x |
= |
29744 |
x |
= |
29744 / 2704 |
x |
= |
11 |
Comprobación |
-182(-39 x+65) |
= |
169(26 x+106) |
-182(-39(11)+65) |
= |
169(26(11)+106) |
-182(-429+65) |
= |
169(286+106) |
-182(-364) |
= |
169(392) |
66248 |
= |
66248 |
= |
www.educa.mx |
| Ejercicio 135 | ||
-96(48 x+80) |
= |
64(120 x-888) |
-4608 x-7680 |
= |
7680 x-56832 |
-4608 x-7680 x |
= |
-56832+7680 |
-12288x |
= |
-49152 |
x |
= |
-49152 / -12288 |
x |
= |
4 |
Comprobación |
-96(48 x+80) |
= |
64(120 x-888) |
-96(48(4)+80) |
= |
64(120(4)-888) |
-96(192+80) |
= |
64(480-888) |
-96(272) |
= |
64(-408) |
-26112 |
= |
-26112 |
= |
www.educa.mx |
| Ejercicio 136 | ||
-140(126 x+70) |
= |
196(-28 x-360) |
-17640 x-9800 |
= |
-5488 x-70560 |
-17640 x+5488 x |
= |
-70560+9800 |
-12152x |
= |
-60760 |
x |
= |
-60760 / -12152 |
x |
= |
5 |
Comprobación |
-140(126 x+70) |
= |
196(-28 x-360) |
-140(126(5)+70) |
= |
196(-28(5)-360) |
-140(630+70) |
= |
196(-140-360) |
-140(700) |
= |
196(-500) |
-98000 |
= |
-98000 |
= |
www.educa.mx |
| Ejercicio 137 | ||
-32(-32 x-20) |
= |
16(-36 x-1260) |
1024 x+640 |
= |
-576 x-20160 |
1024 x+576 x |
= |
-20160-640 |
1600x |
= |
-20800 |
x |
= |
-20800 / 1600 |
x |
= |
-13 |
Comprobación |
-32(-32 x-20) |
= |
16(-36 x-1260) |
-32(-32(-13)-20) |
= |
16(-36(-13)-1260) |
-32(416-20) |
= |
16(468-1260) |
-32(396) |
= |
16(-792) |
-12672 |
= |
-12672 |
= |
www.educa.mx |
| Ejercicio 138 | ||
52(48 x+24) |
= |
16(16 x+1758) |
2496 x+1248 |
= |
256 x+28128 |
2496 x-256 x |
= |
28128-1248 |
2240x |
= |
26880 |
x |
= |
26880 / 2240 |
x |
= |
12 |
Comprobación |
52(48 x+24) |
= |
16(16 x+1758) |
52(48(12)+24) |
= |
16(16(12)+1758) |
52(576+24) |
= |
16(192+1758) |
52(600) |
= |
16(1950) |
31200 |
= |
31200 |
= |
www.educa.mx |
| Ejercicio 139 | ||
-12(-18 x-12) |
= |
4(22 x-220) |
216 x+144 |
= |
88 x-880 |
216 x-88 x |
= |
-880-144 |
128x |
= |
-1024 |
x |
= |
-1024 / 128 |
x |
= |
-8 |
Comprobación |
-12(-18 x-12) |
= |
4(22 x-220) |
-12(-18(-8)-12) |
= |
4(22(-8)-220) |
-12(144-12) |
= |
4(-176-220) |
-12(132) |
= |
4(-396) |
-1584 |
= |
-1584 |
= |
www.educa.mx |
| Ejercicio 140 | ||
-20(-20 x-8) |
= |
4(-10 x+810) |
400 x+160 |
= |
-40 x+3240 |
400 x+40 x |
= |
3240-160 |
440x |
= |
3080 |
x |
= |
3080 / 440 |
x |
= |
7 |
Comprobación |
-20(-20 x-8) |
= |
4(-10 x+810) |
-20(-20(7)-8) |
= |
4(-10(7)+810) |
-20(-140-8) |
= |
4(-70+810) |
-20(-148) |
= |
4(740) |
2960 |
= |
2960 |
= |
www.educa.mx |
| Ejercicio 141 | ||
84(-30 x-18) |
= |
36(-36 x+94) |
-2520 x-1512 |
= |
-1296 x+3384 |
-2520 x+1296 x |
= |
3384+1512 |
-1224x |
= |
4896 |
x |
= |
4896 / -1224 |
x |
= |
-4 |
Comprobación |
84(-30 x-18) |
= |
36(-36 x+94) |
84(-30(-4)-18) |
= |
36(-36(-4)+94) |
84(120-18) |
= |
36(144+94) |
84(102) |
= |
36(238) |
8568 |
= |
8568 |
= |
www.educa.mx |
| Ejercicio 142 | ||
-63(42 x+21) |
= |
49(-28 x+155) |
-2646 x-1323 |
= |
-1372 x+7595 |
-2646 x+1372 x |
= |
7595+1323 |
-1274x |
= |
8918 |
x |
= |
8918 / -1274 |
x |
= |
-7 |
Comprobación |
-63(42 x+21) |
= |
49(-28 x+155) |
-63(42(-7)+21) |
= |
49(-28(-7)+155) |
-63(-294+21) |
= |
49(196+155) |
-63(-273) |
= |
49(351) |
17199 |
= |
17199 |
= |
www.educa.mx |
| Ejercicio 143 | ||
120(195 x-120) |
= |
225(150 x+120) |
23400 x-14400 |
= |
33750 x+27000 |
23400 x-33750 x |
= |
27000+14400 |
-10350x |
= |
41400 |
x |
= |
41400 / -10350 |
x |
= |
-4 |
Comprobación |
120(195 x-120) |
= |
225(150 x+120) |
120(195(-4)-120) |
= |
225(150(-4)+120) |
120(-780-120) |
= |
225(-600+120) |
120(-900) |
= |
225(-480) |
-108000 |
= |
-108000 |
= |
www.educa.mx |
| Ejercicio 144 | ||
108(-168 x+72) |
= |
144(-36 x+1134) |
-18144 x+7776 |
= |
-5184 x+163296 |
-18144 x+5184 x |
= |
163296-7776 |
-12960x |
= |
155520 |
x |
= |
155520 / -12960 |
x |
= |
-12 |
Comprobación |
108(-168 x+72) |
= |
144(-36 x+1134) |
108(-168(-12)+72) |
= |
144(-36(-12)+1134) |
108(2016+72) |
= |
144(432+1134) |
108(2088) |
= |
144(1566) |
225504 |
= |
225504 |
= |
www.educa.mx |
| Ejercicio 145 | ||
117(26 x-130) |
= |
169(39 x-216) |
3042 x-15210 |
= |
6591 x-36504 |
3042 x-6591 x |
= |
-36504+15210 |
-3549x |
= |
-21294 |
x |
= |
-21294 / -3549 |
x |
= |
6 |
Comprobación |
117(26 x-130) |
= |
169(39 x-216) |
117(26(6)-130) |
= |
169(39(6)-216) |
117(156-130) |
= |
169(234-216) |
117(26) |
= |
169(18) |
3042 |
= |
3042 |
= |
www.educa.mx |
| Ejercicio 146 | ||
-140(-130 x-40) |
= |
100(-150 x-4260) |
18200 x+5600 |
= |
-15000 x-426000 |
18200 x+15000 x |
= |
-426000-5600 |
33200x |
= |
-431600 |
x |
= |
-431600 / 33200 |
x |
= |
-13 |
Comprobación |
-140(-130 x-40) |
= |
100(-150 x-4260) |
-140(-130(-13)-40) |
= |
100(-150(-13)-4260) |
-140(1690-40) |
= |
100(1950-4260) |
-140(1650) |
= |
100(-2310) |
-231000 |
= |
-231000 |
= |
www.educa.mx |
| Ejercicio 147 | ||
-105(70 x+63) |
= |
49(49 x-2921) |
-7350 x-6615 |
= |
2401 x-143129 |
-7350 x-2401 x |
= |
-143129+6615 |
-9751x |
= |
-136514 |
x |
= |
-136514 / -9751 |
x |
= |
14 |
Comprobación |
-105(70 x+63) |
= |
49(49 x-2921) |
-105(70(14)+63) |
= |
49(49(14)-2921) |
-105(980+63) |
= |
49(686-2921) |
-105(1043) |
= |
49(-2235) |
-109515 |
= |
-109515 |
= |
www.educa.mx |
| Ejercicio 148 | ||
42(105 x-42) |
= |
49(84 x+18) |
4410 x-1764 |
= |
4116 x+882 |
4410 x-4116 x |
= |
882+1764 |
294x |
= |
2646 |
x |
= |
2646 / 294 |
x |
= |
9 |
Comprobación |
42(105 x-42) |
= |
49(84 x+18) |
42(105(9)-42) |
= |
49(84(9)+18) |
42(945-42) |
= |
49(756+18) |
42(903) |
= |
49(774) |
37926 |
= |
37926 |
= |
www.educa.mx |
| Ejercicio 149 | ||
96(-132 x+36) |
= |
144(-48 x-96) |
-12672 x+3456 |
= |
-6912 x-13824 |
-12672 x+6912 x |
= |
-13824-3456 |
-5760x |
= |
-17280 |
x |
= |
-17280 / -5760 |
x |
= |
3 |
Comprobación |
96(-132 x+36) |
= |
144(-48 x-96) |
96(-132(3)+36) |
= |
144(-48(3)-96) |
96(-396+36) |
= |
144(-144-96) |
96(-360) |
= |
144(-240) |
-34560 |
= |
-34560 |
= |
www.educa.mx |
| Ejercicio 150 | ||
-40(-140 x-30) |
= |
100(130 x-432) |
5600 x+1200 |
= |
13000 x-43200 |
5600 x-13000 x |
= |
-43200-1200 |
-7400x |
= |
-44400 |
x |
= |
-44400 / -7400 |
x |
= |
6 |
Comprobación |
-40(-140 x-30) |
= |
100(130 x-432) |
-40(-140(6)-30) |
= |
100(130(6)-432) |
-40(-840-30) |
= |
100(780-432) |
-40(-870) |
= |
100(348) |
34800 |
= |
34800 |
= |
www.educa.mx |
| Ejercicio 151 | ||
-10(30 x+90) |
= |
100(-120 x-1647) |
-300 x-900 |
= |
-12000 x-164700 |
-300 x+12000 x |
= |
-164700+900 |
11700x |
= |
-163800 |
x |
= |
-163800 / 11700 |
x |
= |
-14 |
Comprobación |
-10(30 x+90) |
= |
100(-120 x-1647) |
-10(30(-14)+90) |
= |
100(-120(-14)-1647) |
-10(-420+90) |
= |
100(1680-1647) |
-10(-330) |
= |
100(33) |
3300 |
= |
3300 |
= |
www.educa.mx |
| Ejercicio 152 | ||
15(60 x-25) |
= |
25(25 x-70) |
900 x-375 |
= |
625 x-1750 |
900 x-625 x |
= |
-1750+375 |
275x |
= |
-1375 |
x |
= |
-1375 / 275 |
x |
= |
-5 |
Comprobación |
15(60 x-25) |
= |
25(25 x-70) |
15(60(-5)-25) |
= |
25(25(-5)-70) |
15(-300-25) |
= |
25(-125-70) |
15(-325) |
= |
25(-195) |
-4875 |
= |
-4875 |
= |
www.educa.mx |
| Ejercicio 153 | ||
14(7 x-91) |
= |
49(-63 x+754) |
98 x-1274 |
= |
-3087 x+36946 |
98 x+3087 x |
= |
36946+1274 |
3185x |
= |
38220 |
x |
= |
38220 / 3185 |
x |
= |
12 |
Comprobación |
14(7 x-91) |
= |
49(-63 x+754) |
14(7(12)-91) |
= |
49(-63(12)+754) |
14(84-91) |
= |
49(-756+754) |
14(-7) |
= |
49(-2) |
-98 |
= |
-98 |
= |
www.educa.mx |
| Ejercicio 154 | ||
-36(12 x-48) |
= |
144(72 x+762) |
-432 x+1728 |
= |
10368 x+109728 |
-432 x-10368 x |
= |
109728-1728 |
-10800x |
= |
108000 |
x |
= |
108000 / -10800 |
x |
= |
-10 |
Comprobación |
-36(12 x-48) |
= |
144(72 x+762) |
-36(12(-10)-48) |
= |
144(72(-10)+762) |
-36(-120-48) |
= |
144(-720+762) |
-36(-168) |
= |
144(42) |
6048 |
= |
6048 |
= |
www.educa.mx |
| Ejercicio 155 | ||
66(88 x+88) |
= |
121(121 x-463) |
5808 x+5808 |
= |
14641 x-56023 |
5808 x-14641 x |
= |
-56023-5808 |
-8833x |
= |
-61831 |
x |
= |
-61831 / -8833 |
x |
= |
7 |
Comprobación |
66(88 x+88) |
= |
121(121 x-463) |
66(88(7)+88) |
= |
121(121(7)-463) |
66(616+88) |
= |
121(847-463) |
66(704) |
= |
121(384) |
46464 |
= |
46464 |
= |
www.educa.mx |
| Ejercicio 156 | ||
-28(126 x-98) |
= |
196(56 x-60) |
-3528 x+2744 |
= |
10976 x-11760 |
-3528 x-10976 x |
= |
-11760-2744 |
-14504x |
= |
-14504 |
x |
= |
-14504 / -14504 |
x |
= |
1 |
Comprobación |
-28(126 x-98) |
= |
196(56 x-60) |
-28(126(1)-98) |
= |
196(56(1)-60) |
-28(126-98) |
= |
196(56-60) |
-28(28) |
= |
196(-4) |
-784 |
= |
-784 |
= |
www.educa.mx |
| Ejercicio 157 | ||
154(-44 x+132) |
= |
121(110 x-828) |
-6776 x+20328 |
= |
13310 x-100188 |
-6776 x-13310 x |
= |
-100188-20328 |
-20086x |
= |
-120516 |
x |
= |
-120516 / -20086 |
x |
= |
6 |
Comprobación |
154(-44 x+132) |
= |
121(110 x-828) |
154(-44(6)+132) |
= |
121(110(6)-828) |
154(-264+132) |
= |
121(660-828) |
154(-132) |
= |
121(-168) |
-20328 |
= |
-20328 |
= |
www.educa.mx |
| Ejercicio 158 | ||
-98(-84 x+105) |
= |
49(-63 x+252) |
8232 x-10290 |
= |
-3087 x+12348 |
8232 x+3087 x |
= |
12348+10290 |
11319x |
= |
22638 |
x |
= |
22638 / 11319 |
x |
= |
2 |
Comprobación |
-98(-84 x+105) |
= |
49(-63 x+252) |
-98(-84(2)+105) |
= |
49(-63(2)+252) |
-98(-168+105) |
= |
49(-126+252) |
-98(-63) |
= |
49(126) |
6174 |
= |
6174 |
= |
www.educa.mx |
| Ejercicio 159 | ||
195(-60 x-150) |
= |
225(-165 x-582) |
-11700 x-29250 |
= |
-37125 x-130950 |
-11700 x+37125 x |
= |
-130950+29250 |
25425x |
= |
-101700 |
x |
= |
-101700 / 25425 |
x |
= |
-4 |
Comprobación |
195(-60 x-150) |
= |
225(-165 x-582) |
195(-60(-4)-150) |
= |
225(-165(-4)-582) |
195(240-150) |
= |
225(660-582) |
195(90) |
= |
225(78) |
17550 |
= |
17550 |
= |
www.educa.mx |
| Ejercicio 160 | ||
40(-64 x-40) |
= |
64(72 x-921) |
-2560 x-1600 |
= |
4608 x-58944 |
-2560 x-4608 x |
= |
-58944+1600 |
-7168x |
= |
-57344 |
x |
= |
-57344 / -7168 |
x |
= |
8 |
Comprobación |
40(-64 x-40) |
= |
64(72 x-921) |
40(-64(8)-40) |
= |
64(72(8)-921) |
40(-512-40) |
= |
64(576-921) |
40(-552) |
= |
64(-345) |
-22080 |
= |
-22080 |
= |
www.educa.mx |
| Ejercicio 161 | ||
18(48 x+12) |
= |
36(36 x-150) |
864 x+216 |
= |
1296 x-5400 |
864 x-1296 x |
= |
-5400-216 |
-432x |
= |
-5616 |
x |
= |
-5616 / -432 |
x |
= |
13 |
Comprobación |
18(48 x+12) |
= |
36(36 x-150) |
18(48(13)+12) |
= |
36(36(13)-150) |
18(624+12) |
= |
36(468-150) |
18(636) |
= |
36(318) |
11448 |
= |
11448 |
= |
www.educa.mx |
| Ejercicio 162 | ||
-48(-90 x-72) |
= |
36(-18 x+372) |
4320 x+3456 |
= |
-648 x+13392 |
4320 x+648 x |
= |
13392-3456 |
4968x |
= |
9936 |
x |
= |
9936 / 4968 |
x |
= |
2 |
Comprobación |
-48(-90 x-72) |
= |
36(-18 x+372) |
-48(-90(2)-72) |
= |
36(-18(2)+372) |
-48(-180-72) |
= |
36(-36+372) |
-48(-252) |
= |
36(336) |
12096 |
= |
12096 |
= |
www.educa.mx |
| Ejercicio 163 | ||
-98(-84 x-91) |
= |
49(7 x+1148) |
8232 x+8918 |
= |
343 x+56252 |
8232 x-343 x |
= |
56252-8918 |
7889x |
= |
47334 |
x |
= |
47334 / 7889 |
x |
= |
6 |
Comprobación |
-98(-84 x-91) |
= |
49(7 x+1148) |
-98(-84(6)-91) |
= |
49(7(6)+1148) |
-98(-504-91) |
= |
49(42+1148) |
-98(-595) |
= |
49(1190) |
58310 |
= |
58310 |
= |
www.educa.mx |
| Ejercicio 164 | ||
54(-36 x-42) |
= |
36(36 x-603) |
-1944 x-2268 |
= |
1296 x-21708 |
-1944 x-1296 x |
= |
-21708+2268 |
-3240x |
= |
-19440 |
x |
= |
-19440 / -3240 |
x |
= |
6 |
Comprobación |
54(-36 x-42) |
= |
36(36 x-603) |
54(-36(6)-42) |
= |
36(36(6)-603) |
54(-216-42) |
= |
36(216-603) |
54(-258) |
= |
36(-387) |
-13932 |
= |
-13932 |
= |
www.educa.mx |
| Ejercicio 165 | ||
-70(7 x+98) |
= |
49(35 x+310) |
-490 x-6860 |
= |
1715 x+15190 |
-490 x-1715 x |
= |
15190+6860 |
-2205x |
= |
22050 |
x |
= |
22050 / -2205 |
x |
= |
-10 |
Comprobación |
-70(7 x+98) |
= |
49(35 x+310) |
-70(7(-10)+98) |
= |
49(35(-10)+310) |
-70(-70+98) |
= |
49(-350+310) |
-70(28) |
= |
49(-40) |
-1960 |
= |
-1960 |
= |
www.educa.mx |
| Ejercicio 166 | ||
90(72 x-63) |
= |
81(99 x-108) |
6480 x-5670 |
= |
8019 x-8748 |
6480 x-8019 x |
= |
-8748+5670 |
-1539x |
= |
-3078 |
x |
= |
-3078 / -1539 |
x |
= |
2 |
Comprobación |
90(72 x-63) |
= |
81(99 x-108) |
90(72(2)-63) |
= |
81(99(2)-108) |
90(144-63) |
= |
81(198-108) |
90(81) |
= |
81(90) |
7290 |
= |
7290 |
= |
www.educa.mx |
| Ejercicio 167 | ||
-6(-28 x+30) |
= |
4(22 x+135) |
168 x-180 |
= |
88 x+540 |
168 x-88 x |
= |
540+180 |
80x |
= |
720 |
x |
= |
720 / 80 |
x |
= |
9 |
Comprobación |
-6(-28 x+30) |
= |
4(22 x+135) |
-6(-28(9)+30) |
= |
4(22(9)+135) |
-6(-252+30) |
= |
4(198+135) |
-6(-222) |
= |
4(333) |
1332 |
= |
1332 |
= |
www.educa.mx |
| Ejercicio 168 | ||
-16(72 x+72) |
= |
64(112 x+1542) |
-1152 x-1152 |
= |
7168 x+98688 |
-1152 x-7168 x |
= |
98688+1152 |
-8320x |
= |
99840 |
x |
= |
99840 / -8320 |
x |
= |
-12 |
Comprobación |
-16(72 x+72) |
= |
64(112 x+1542) |
-16(72(-12)+72) |
= |
64(112(-12)+1542) |
-16(-864+72) |
= |
64(-1344+1542) |
-16(-792) |
= |
64(198) |
12672 |
= |
12672 |
= |
www.educa.mx |
| Ejercicio 169 | ||
-27(-45 x+18) |
= |
81(-99 x-1032) |
1215 x-486 |
= |
-8019 x-83592 |
1215 x+8019 x |
= |
-83592+486 |
9234x |
= |
-83106 |
x |
= |
-83106 / 9234 |
x |
= |
-9 |
Comprobación |
-27(-45 x+18) |
= |
81(-99 x-1032) |
-27(-45(-9)+18) |
= |
81(-99(-9)-1032) |
-27(405+18) |
= |
81(891-1032) |
-27(423) |
= |
81(-141) |
-11421 |
= |
-11421 |
= |
www.educa.mx |
| Ejercicio 170 | ||
-24(32 x-36) |
= |
16(-40 x-10) |
-768 x+864 |
= |
-640 x-160 |
-768 x+640 x |
= |
-160-864 |
-128x |
= |
-1024 |
x |
= |
-1024 / -128 |
x |
= |
8 |
Comprobación |
-24(32 x-36) |
= |
16(-40 x-10) |
-24(32(8)-36) |
= |
16(-40(8)-10) |
-24(256-36) |
= |
16(-320-10) |
-24(220) |
= |
16(-330) |
-5280 |
= |
-5280 |
= |
www.educa.mx |
| Ejercicio 171 | ||
-24(28 x-40) |
= |
16(-56 x-10) |
-672 x+960 |
= |
-896 x-160 |
-672 x+896 x |
= |
-160-960 |
224x |
= |
-1120 |
x |
= |
-1120 / 224 |
x |
= |
-5 |
Comprobación |
-24(28 x-40) |
= |
16(-56 x-10) |
-24(28(-5)-40) |
= |
16(-56(-5)-10) |
-24(-140-40) |
= |
16(280-10) |
-24(-180) |
= |
16(270) |
4320 |
= |
4320 |
= |
www.educa.mx |
| Ejercicio 172 | ||
-28(-12 x-2) |
= |
4(18 x-778) |
336 x+56 |
= |
72 x-3112 |
336 x-72 x |
= |
-3112-56 |
264x |
= |
-3168 |
x |
= |
-3168 / 264 |
x |
= |
-12 |
Comprobación |
-28(-12 x-2) |
= |
4(18 x-778) |
-28(-12(-12)-2) |
= |
4(18(-12)-778) |
-28(144-2) |
= |
4(-216-778) |
-28(142) |
= |
4(-994) |
-3976 |
= |
-3976 |
= |
www.educa.mx |
| Ejercicio 173 | ||
-126(-168 x+112) |
= |
196(-168 x+1308) |
21168 x-14112 |
= |
-32928 x+256368 |
21168 x+32928 x |
= |
256368+14112 |
54096x |
= |
270480 |
x |
= |
270480 / 54096 |
x |
= |
5 |
Comprobación |
-126(-168 x+112) |
= |
196(-168 x+1308) |
-126(-168(5)+112) |
= |
196(-168(5)+1308) |
-126(-840+112) |
= |
196(-840+1308) |
-126(-728) |
= |
196(468) |
91728 |
= |
91728 |
= |
www.educa.mx |
| Ejercicio 174 | ||
-60(30 x+30) |
= |
225(-120 x-8) |
-1800 x-1800 |
= |
-27000 x-1800 |
-1800 x+27000 x |
= |
-1800+1800 |
25200x |
= |
0 |
x |
= |
0 / 25200 |
x |
= |
0 |
Comprobación |
-60(30 x+30) |
= |
225(-120 x-8) |
-60(30(0)+30) |
= |
225(-120(0)-8) |
-60(0+30) |
= |
225(0-8) |
-60(30) |
= |
225(-8) |
-1800 |
= |
-1800 |
= |
www.educa.mx |
| Ejercicio 175 | ||
-9(72 x+9) |
= |
81(-63 x-386) |
-648 x-81 |
= |
-5103 x-31266 |
-648 x+5103 x |
= |
-31266+81 |
4455x |
= |
-31185 |
x |
= |
-31185 / 4455 |
x |
= |
-7 |
Comprobación |
-9(72 x+9) |
= |
81(-63 x-386) |
-9(72(-7)+9) |
= |
81(-63(-7)-386) |
-9(-504+9) |
= |
81(441-386) |
-9(-495) |
= |
81(55) |
4455 |
= |
4455 |
= |
www.educa.mx |
| Ejercicio 176 | ||
72(-18 x-6) |
= |
36(-42 x-90) |
-1296 x-432 |
= |
-1512 x-3240 |
-1296 x+1512 x |
= |
-3240+432 |
216x |
= |
-2808 |
x |
= |
-2808 / 216 |
x |
= |
-13 |
Comprobación |
72(-18 x-6) |
= |
36(-42 x-90) |
72(-18(-13)-6) |
= |
36(-42(-13)-90) |
72(234-6) |
= |
36(546-90) |
72(228) |
= |
36(456) |
16416 |
= |
16416 |
= |
www.educa.mx |
| Ejercicio 177 | ||
77(84 x+84) |
= |
49(-105 x+606) |
6468 x+6468 |
= |
-5145 x+29694 |
6468 x+5145 x |
= |
29694-6468 |
11613x |
= |
23226 |
x |
= |
23226 / 11613 |
x |
= |
2 |
Comprobación |
77(84 x+84) |
= |
49(-105 x+606) |
77(84(2)+84) |
= |
49(-105(2)+606) |
77(168+84) |
= |
49(-210+606) |
77(252) |
= |
49(396) |
19404 |
= |
19404 |
= |
www.educa.mx |
| Ejercicio 178 | ||
130(-13 x+143) |
= |
169(-156 x-1788) |
-1690 x+18590 |
= |
-26364 x-302172 |
-1690 x+26364 x |
= |
-302172-18590 |
24674x |
= |
-320762 |
x |
= |
-320762 / 24674 |
x |
= |
-13 |
Comprobación |
130(-13 x+143) |
= |
169(-156 x-1788) |
130(-13(-13)+143) |
= |
169(-156(-13)-1788) |
130(169+143) |
= |
169(2028-1788) |
130(312) |
= |
169(240) |
40560 |
= |
40560 |
= |
www.educa.mx |
| Ejercicio 179 | ||
72(-12 x-168) |
= |
144(168 x-2346) |
-864 x-12096 |
= |
24192 x-337824 |
-864 x-24192 x |
= |
-337824+12096 |
-25056x |
= |
-325728 |
x |
= |
-325728 / -25056 |
x |
= |
13 |
Comprobación |
72(-12 x-168) |
= |
144(168 x-2346) |
72(-12(13)-168) |
= |
144(168(13)-2346) |
72(-156-168) |
= |
144(2184-2346) |
72(-324) |
= |
144(-162) |
-23328 |
= |
-23328 |
= |
www.educa.mx |
| Ejercicio 180 | ||
-21(7 x+77) |
= |
49(14 x+103) |
-147 x-1617 |
= |
686 x+5047 |
-147 x-686 x |
= |
5047+1617 |
-833x |
= |
6664 |
x |
= |
6664 / -833 |
x |
= |
-8 |
Comprobación |
-21(7 x+77) |
= |
49(14 x+103) |
-21(7(-8)+77) |
= |
49(14(-8)+103) |
-21(-56+77) |
= |
49(-112+103) |
-21(21) |
= |
49(-9) |
-441 |
= |
-441 |
= |
www.educa.mx |
| Ejercicio 181 | ||
-108(-132 x-24) |
= |
144(-60 x+18) |
14256 x+2592 |
= |
-8640 x+2592 |
14256 x+8640 x |
= |
2592-2592 |
22896x |
= |
0 |
x |
= |
0 / 22896 |
x |
= |
0 |
Comprobación |
-108(-132 x-24) |
= |
144(-60 x+18) |
-108(-132(0)-24) |
= |
144(-60(0)+18) |
-108(0-24) |
= |
144(0+18) |
-108(-24) |
= |
144(18) |
2592 |
= |
2592 |
= |
www.educa.mx |
| Ejercicio 182 | ||
55(143 x-22) |
= |
121(-88 x+602) |
7865 x-1210 |
= |
-10648 x+72842 |
7865 x+10648 x |
= |
72842+1210 |
18513x |
= |
74052 |
x |
= |
74052 / 18513 |
x |
= |
4 |
Comprobación |
55(143 x-22) |
= |
121(-88 x+602) |
55(143(4)-22) |
= |
121(-88(4)+602) |
55(572-22) |
= |
121(-352+602) |
55(550) |
= |
121(250) |
30250 |
= |
30250 |
= |
www.educa.mx |
| Ejercicio 183 | ||
-72(-42 x-30) |
= |
36(-42 x+1824) |
3024 x+2160 |
= |
-1512 x+65664 |
3024 x+1512 x |
= |
65664-2160 |
4536x |
= |
63504 |
x |
= |
63504 / 4536 |
x |
= |
14 |
Comprobación |
-72(-42 x-30) |
= |
36(-42 x+1824) |
-72(-42(14)-30) |
= |
36(-42(14)+1824) |
-72(-588-30) |
= |
36(-588+1824) |
-72(-618) |
= |
36(1236) |
44496 |
= |
44496 |
= |
www.educa.mx |
| Ejercicio 184 | ||
-196(-28 x+140) |
= |
196(140 x-1372) |
5488 x-27440 |
= |
27440 x-268912 |
5488 x-27440 x |
= |
-268912+27440 |
-21952x |
= |
-241472 |
x |
= |
-241472 / -21952 |
x |
= |
11 |
Comprobación |
-196(-28 x+140) |
= |
196(140 x-1372) |
-196(-28(11)+140) |
= |
196(140(11)-1372) |
-196(-308+140) |
= |
196(1540-1372) |
-196(-168) |
= |
196(168) |
32928 |
= |
32928 |
= |
www.educa.mx |
| Ejercicio 185 | ||
-63(-7 x+42) |
= |
49(-14 x-192) |
441 x-2646 |
= |
-686 x-9408 |
441 x+686 x |
= |
-9408+2646 |
1127x |
= |
-6762 |
x |
= |
-6762 / 1127 |
x |
= |
-6 |
Comprobación |
-63(-7 x+42) |
= |
49(-14 x-192) |
-63(-7(-6)+42) |
= |
49(-14(-6)-192) |
-63(42+42) |
= |
49(84-192) |
-63(84) |
= |
49(-108) |
-5292 |
= |
-5292 |
= |
www.educa.mx |
| Ejercicio 186 | ||
63(18 x-117) |
= |
81(108 x+97) |
1134 x-7371 |
= |
8748 x+7857 |
1134 x-8748 x |
= |
7857+7371 |
-7614x |
= |
15228 |
x |
= |
15228 / -7614 |
x |
= |
-2 |
Comprobación |
63(18 x-117) |
= |
81(108 x+97) |
63(18(-2)-117) |
= |
81(108(-2)+97) |
63(-36-117) |
= |
81(-216+97) |
63(-153) |
= |
81(-119) |
-9639 |
= |
-9639 |
= |
www.educa.mx |
| Ejercicio 187 | ||
84(-42 x+30) |
= |
36(-90 x+182) |
-3528 x+2520 |
= |
-3240 x+6552 |
-3528 x+3240 x |
= |
6552-2520 |
-288x |
= |
4032 |
x |
= |
4032 / -288 |
x |
= |
-14 |
Comprobación |
84(-42 x+30) |
= |
36(-90 x+182) |
84(-42(-14)+30) |
= |
36(-90(-14)+182) |
84(588+30) |
= |
36(1260+182) |
84(618) |
= |
36(1442) |
51912 |
= |
51912 |
= |
www.educa.mx |
| Ejercicio 188 | ||
84(-84 x-154) |
= |
196(210 x+1902) |
-7056 x-12936 |
= |
41160 x+372792 |
-7056 x-41160 x |
= |
372792+12936 |
-48216x |
= |
385728 |
x |
= |
385728 / -48216 |
x |
= |
-8 |
Comprobación |
84(-84 x-154) |
= |
196(210 x+1902) |
84(-84(-8)-154) |
= |
196(210(-8)+1902) |
84(672-154) |
= |
196(-1680+1902) |
84(518) |
= |
196(222) |
43512 |
= |
43512 |
= |
www.educa.mx |
| Ejercicio 189 | ||
24(-48 x+112) |
= |
64(112 x+1732) |
-1152 x+2688 |
= |
7168 x+110848 |
-1152 x-7168 x |
= |
110848-2688 |
-8320x |
= |
108160 |
x |
= |
108160 / -8320 |
x |
= |
-13 |
Comprobación |
24(-48 x+112) |
= |
64(112 x+1732) |
24(-48(-13)+112) |
= |
64(112(-13)+1732) |
24(624+112) |
= |
64(-1456+1732) |
24(736) |
= |
64(276) |
17664 |
= |
17664 |
= |
www.educa.mx |
| Ejercicio 190 | ||
-14(-4 x-4) |
= |
4(-6 x-26) |
56 x+56 |
= |
-24 x-104 |
56 x+24 x |
= |
-104-56 |
80x |
= |
-160 |
x |
= |
-160 / 80 |
x |
= |
-2 |
Comprobación |
-14(-4 x-4) |
= |
4(-6 x-26) |
-14(-4(-2)-4) |
= |
4(-6(-2)-26) |
-14(8-4) |
= |
4(12-26) |
-14(4) |
= |
4(-14) |
-56 |
= |
-56 |
= |
www.educa.mx |
| Ejercicio 191 | ||
-18(4 x+14) |
= |
4(4 x-41) |
-72 x-252 |
= |
16 x-164 |
-72 x-16 x |
= |
-164+252 |
-88x |
= |
88 |
x |
= |
88 / -88 |
x |
= |
-1 |
Comprobación |
-18(4 x+14) |
= |
4(4 x-41) |
-18(4(-1)+14) |
= |
4(4(-1)-41) |
-18(-4+14) |
= |
4(-4-41) |
-18(10) |
= |
4(-45) |
-180 |
= |
-180 |
= |
www.educa.mx |
| Ejercicio 192 | ||
120(72 x-80) |
= |
64(96 x+318) |
8640 x-9600 |
= |
6144 x+20352 |
8640 x-6144 x |
= |
20352+9600 |
2496x |
= |
29952 |
x |
= |
29952 / 2496 |
x |
= |
12 |
Comprobación |
120(72 x-80) |
= |
64(96 x+318) |
120(72(12)-80) |
= |
64(96(12)+318) |
120(864-80) |
= |
64(1152+318) |
120(784) |
= |
64(1470) |
94080 |
= |
94080 |
= |
www.educa.mx |
| Ejercicio 193 | ||
-10(-10 x-3) |
= |
1(7 x-993) |
100 x+30 |
= |
7 x-993 |
100 x-7 x |
= |
-993-30 |
93x |
= |
-1023 |
x |
= |
-1023 / 93 |
x |
= |
-11 |
Comprobación |
-10(-10 x-3) |
= |
1(7 x-993) |
-10(-10(-11)-3) |
= |
1(7(-11)-993) |
-10(110-3) |
= |
1(-77-993) |
-10(107) |
= |
1(-1070) |
-1070 |
= |
-1070 |
= |
www.educa.mx |
| Ejercicio 194 | ||
-5(70 x-30) |
= |
25(50 x+454) |
-350 x+150 |
= |
1250 x+11350 |
-350 x-1250 x |
= |
11350-150 |
-1600x |
= |
11200 |
x |
= |
11200 / -1600 |
x |
= |
-7 |
Comprobación |
-5(70 x-30) |
= |
25(50 x+454) |
-5(70(-7)-30) |
= |
25(50(-7)+454) |
-5(-490-30) |
= |
25(-350+454) |
-5(-520) |
= |
25(104) |
2600 |
= |
2600 |
= |
www.educa.mx |
| Ejercicio 195 | ||
30(50 x-40) |
= |
100(120 x+1248) |
1500 x-1200 |
= |
12000 x+124800 |
1500 x-12000 x |
= |
124800+1200 |
-10500x |
= |
126000 |
x |
= |
126000 / -10500 |
x |
= |
-12 |
Comprobación |
30(50 x-40) |
= |
100(120 x+1248) |
30(50(-12)-40) |
= |
100(120(-12)+1248) |
30(-600-40) |
= |
100(-1440+1248) |
30(-640) |
= |
100(-192) |
-19200 |
= |
-19200 |
= |
www.educa.mx |
| Ejercicio 196 | ||
-26(182 x-130) |
= |
169(-130 x-388) |
-4732 x+3380 |
= |
-21970 x-65572 |
-4732 x+21970 x |
= |
-65572-3380 |
17238x |
= |
-68952 |
x |
= |
-68952 / 17238 |
x |
= |
-4 |
Comprobación |
-26(182 x-130) |
= |
169(-130 x-388) |
-26(182(-4)-130) |
= |
169(-130(-4)-388) |
-26(-728-130) |
= |
169(520-388) |
-26(-858) |
= |
169(132) |
22308 |
= |
22308 |
= |
www.educa.mx |
| Ejercicio 197 | ||
-26(2 x-22) |
= |
4(-24 x+154) |
-52 x+572 |
= |
-96 x+616 |
-52 x+96 x |
= |
616-572 |
44x |
= |
44 |
x |
= |
44 / 44 |
x |
= |
1 |
Comprobación |
-26(2 x-22) |
= |
4(-24 x+154) |
-26(2(1)-22) |
= |
4(-24(1)+154) |
-26(2-22) |
= |
4(-24+154) |
-26(-20) |
= |
4(130) |
520 |
= |
520 |
= |
www.educa.mx |
| Ejercicio 198 | ||
10(-2 x-2) |
= |
4(14 x+261) |
-20 x-20 |
= |
56 x+1044 |
-20 x-56 x |
= |
1044+20 |
-76x |
= |
1064 |
x |
= |
1064 / -76 |
x |
= |
-14 |
Comprobación |
10(-2 x-2) |
= |
4(14 x+261) |
10(-2(-14)-2) |
= |
4(14(-14)+261) |
10(28-2) |
= |
4(-196+261) |
10(26) |
= |
4(65) |
260 |
= |
260 |
= |
www.educa.mx |
| Ejercicio 199 | ||
36(45 x+54) |
= |
81(54 x+466) |
1620 x+1944 |
= |
4374 x+37746 |
1620 x-4374 x |
= |
37746-1944 |
-2754x |
= |
35802 |
x |
= |
35802 / -2754 |
x |
= |
-13 |
Comprobación |
36(45 x+54) |
= |
81(54 x+466) |
36(45(-13)+54) |
= |
81(54(-13)+466) |
36(-585+54) |
= |
81(-702+466) |
36(-531) |
= |
81(-236) |
-19116 |
= |
-19116 |
= |
www.educa.mx |
| Ejercicio 200 | ||
98(28 x+168) |
= |
196(-70 x+924) |
2744 x+16464 |
= |
-13720 x+181104 |
2744 x+13720 x |
= |
181104-16464 |
16464x |
= |
164640 |
x |
= |
164640 / 16464 |
x |
= |
10 |
Comprobación |
98(28 x+168) |
= |
196(-70 x+924) |
98(28(10)+168) |
= |
196(-70(10)+924) |
98(280+168) |
= |
196(-700+924) |
98(448) |
= |
196(224) |
43904 |
= |
43904 |
= |
www.educa.mx |
| Ejercicio 201 | ||
24(-72 x+108) |
= |
144(60 x+162) |
-1728 x+2592 |
= |
8640 x+23328 |
-1728 x-8640 x |
= |
23328-2592 |
-10368x |
= |
20736 |
x |
= |
20736 / -10368 |
x |
= |
-2 |
Comprobación |
24(-72 x+108) |
= |
144(60 x+162) |
24(-72(-2)+108) |
= |
144(60(-2)+162) |
24(144+108) |
= |
144(-120+162) |
24(252) |
= |
144(42) |
6048 |
= |
6048 |
= |
www.educa.mx |
| Ejercicio 202 | ||
60(60 x+35) |
= |
25(65 x+1032) |
3600 x+2100 |
= |
1625 x+25800 |
3600 x-1625 x |
= |
25800-2100 |
1975x |
= |
23700 |
x |
= |
23700 / 1975 |
x |
= |
12 |
Comprobación |
60(60 x+35) |
= |
25(65 x+1032) |
60(60(12)+35) |
= |
25(65(12)+1032) |
60(720+35) |
= |
25(780+1032) |
60(755) |
= |
25(1812) |
45300 |
= |
45300 |
= |
www.educa.mx |
| Ejercicio 203 | ||
4(-858993462 x-1717986916) |
= |
4(-1717986924 x+8) |
858993448 x+1717986928 |
= |
1717986896 x+32 |
858993448 x-1717986896 x |
= |
32-1717986928 |
-858993448x |
= |
-1717986896 |
x |
= |
-1717986896 / -858993448 |
x |
= |
2 |
Comprobación |
4(-858993462 x-1717986916) |
= |
4(-1717986924 x+8) |
4(-858993462(2)-1717986916) |
= |
4(-1717986924(2)+8) |
4(-1717986924-1717986916) |
= |
4(858993448+8) |
4(858993456) |
= |
4(858993456) |
-858993472 |
= |
-858993472 |
= |
www.educa.mx |
| Ejercicio 204 | ||
42(-112 x-28) |
= |
196(168 x-198) |
-4704 x-1176 |
= |
32928 x-38808 |
-4704 x-32928 x |
= |
-38808+1176 |
-37632x |
= |
-37632 |
x |
= |
-37632 / -37632 |
x |
= |
1 |
Comprobación |
42(-112 x-28) |
= |
196(168 x-198) |
42(-112(1)-28) |
= |
196(168(1)-198) |
42(-112-28) |
= |
196(168-198) |
42(-140) |
= |
196(-30) |
-5880 |
= |
-5880 |
= |
www.educa.mx |
| Ejercicio 205 | ||
64(-48 x+24) |
= |
64(32 x-56) |
-3072 x+1536 |
= |
2048 x-3584 |
-3072 x-2048 x |
= |
-3584-1536 |
-5120x |
= |
-5120 |
x |
= |
-5120 / -5120 |
x |
= |
1 |
Comprobación |
64(-48 x+24) |
= |
64(32 x-56) |
64(-48(1)+24) |
= |
64(32(1)-56) |
64(-48+24) |
= |
64(32-56) |
64(-24) |
= |
64(-24) |
-1536 |
= |
-1536 |
= |
www.educa.mx |
| Ejercicio 206 | ||
182(84 x-154) |
= |
196(-168 x-635) |
15288 x-28028 |
= |
-32928 x-124460 |
15288 x+32928 x |
= |
-124460+28028 |
48216x |
= |
-96432 |
x |
= |
-96432 / 48216 |
x |
= |
-2 |
Comprobación |
182(84 x-154) |
= |
196(-168 x-635) |
182(84(-2)-154) |
= |
196(-168(-2)-635) |
182(-168-154) |
= |
196(336-635) |
182(-322) |
= |
196(-299) |
-58604 |
= |
-58604 |
= |
www.educa.mx |
| Ejercicio 207 | ||
169(-13 x+39) |
= |
169(78 x+1404) |
-2197 x+6591 |
= |
13182 x+237276 |
-2197 x-13182 x |
= |
237276-6591 |
-15379x |
= |
230685 |
x |
= |
230685 / -15379 |
x |
= |
-15 |
Comprobación |
169(-13 x+39) |
= |
169(78 x+1404) |
169(-13(-15)+39) |
= |
169(78(-15)+1404) |
169(195+39) |
= |
169(-1170+1404) |
169(234) |
= |
169(234) |
39546 |
= |
39546 |
= |
www.educa.mx |
| Ejercicio 208 | ||
24(-28 x-12) |
= |
4(-26 x+1064) |
-672 x-288 |
= |
-104 x+4256 |
-672 x+104 x |
= |
4256+288 |
-568x |
= |
4544 |
x |
= |
4544 / -568 |
x |
= |
-8 |
Comprobación |
24(-28 x-12) |
= |
4(-26 x+1064) |
24(-28(-8)-12) |
= |
4(-26(-8)+1064) |
24(224-12) |
= |
4(208+1064) |
24(212) |
= |
4(1272) |
5088 |
= |
5088 |
= |
www.educa.mx |
| Ejercicio 209 | ||
66(12 x+84) |
= |
36(54 x-70) |
792 x+5544 |
= |
1944 x-2520 |
792 x-1944 x |
= |
-2520-5544 |
-1152x |
= |
-8064 |
x |
= |
-8064 / -1152 |
x |
= |
7 |
Comprobación |
66(12 x+84) |
= |
36(54 x-70) |
66(12(7)+84) |
= |
36(54(7)-70) |
66(84+84) |
= |
36(378-70) |
66(168) |
= |
36(308) |
11088 |
= |
11088 |
= |
www.educa.mx |
| Ejercicio 210 | ||
10(-30 x+50) |
= |
100(-120 x+1643) |
-300 x+500 |
= |
-12000 x+164300 |
-300 x+12000 x |
= |
164300-500 |
11700x |
= |
163800 |
x |
= |
163800 / 11700 |
x |
= |
14 |
Comprobación |
10(-30 x+50) |
= |
100(-120 x+1643) |
10(-30(14)+50) |
= |
100(-120(14)+1643) |
10(-420+50) |
= |
100(-1680+1643) |
10(-370) |
= |
100(-37) |
-3700 |
= |
-3700 |
= |
www.educa.mx |
| Ejercicio 211 | ||
20(-55 x+65) |
= |
25(55 x-443) |
-1100 x+1300 |
= |
1375 x-11075 |
-1100 x-1375 x |
= |
-11075-1300 |
-2475x |
= |
-12375 |
x |
= |
-12375 / -2475 |
x |
= |
5 |
Comprobación |
20(-55 x+65) |
= |
25(55 x-443) |
20(-55(5)+65) |
= |
25(55(5)-443) |
20(-275+65) |
= |
25(275-443) |
20(-210) |
= |
25(-168) |
-4200 |
= |
-4200 |
= |
www.educa.mx |
| Ejercicio 212 | ||
30(24 x+84) |
= |
36(36 x+134) |
720 x+2520 |
= |
1296 x+4824 |
720 x-1296 x |
= |
4824-2520 |
-576x |
= |
2304 |
x |
= |
2304 / -576 |
x |
= |
-4 |
Comprobación |
30(24 x+84) |
= |
36(36 x+134) |
30(24(-4)+84) |
= |
36(36(-4)+134) |
30(-96+84) |
= |
36(-144+134) |
30(-12) |
= |
36(-10) |
-360 |
= |
-360 |
= |
www.educa.mx |
| Ejercicio 213 | ||
-48(8 x-32) |
= |
16(52 x-56) |
-384 x+1536 |
= |
832 x-896 |
-384 x-832 x |
= |
-896-1536 |
-1216x |
= |
-2432 |
x |
= |
-2432 / -1216 |
x |
= |
2 |
Comprobación |
-48(8 x-32) |
= |
16(52 x-56) |
-48(8(2)-32) |
= |
16(52(2)-56) |
-48(16-32) |
= |
16(104-56) |
-48(-16) |
= |
16(48) |
768 |
= |
768 |
= |
www.educa.mx |
| Ejercicio 214 | ||
140(30 x-10) |
= |
100(-90 x+250) |
4200 x-1400 |
= |
-9000 x+25000 |
4200 x+9000 x |
= |
25000+1400 |
13200x |
= |
26400 |
x |
= |
26400 / 13200 |
x |
= |
2 |
Comprobación |
140(30 x-10) |
= |
100(-90 x+250) |
140(30(2)-10) |
= |
100(-90(2)+250) |
140(60-10) |
= |
100(-180+250) |
140(50) |
= |
100(70) |
7000 |
= |
7000 |
= |
www.educa.mx |
| Ejercicio 215 | ||
55(45 x+55) |
= |
25(60 x+277) |
2475 x+3025 |
= |
1500 x+6925 |
2475 x-1500 x |
= |
6925-3025 |
975x |
= |
3900 |
x |
= |
3900 / 975 |
x |
= |
4 |
Comprobación |
55(45 x+55) |
= |
25(60 x+277) |
55(45(4)+55) |
= |
25(60(4)+277) |
55(180+55) |
= |
25(240+277) |
55(235) |
= |
25(517) |
12925 |
= |
12925 |
= |
www.educa.mx |
| Ejercicio 216 | ||
-81(-81 x-81) |
= |
81(-108 x+1215) |
6561 x+6561 |
= |
-8748 x+98415 |
6561 x+8748 x |
= |
98415-6561 |
15309x |
= |
91854 |
x |
= |
91854 / 15309 |
x |
= |
6 |
Comprobación |
-81(-81 x-81) |
= |
81(-108 x+1215) |
-81(-81(6)-81) |
= |
81(-108(6)+1215) |
-81(-486-81) |
= |
81(-648+1215) |
-81(-567) |
= |
81(567) |
45927 |
= |
45927 |
= |
www.educa.mx |
| Ejercicio 217 | ||
18(-81 x+72) |
= |
81(18 x+484) |
-1458 x+1296 |
= |
1458 x+39204 |
-1458 x-1458 x |
= |
39204-1296 |
-2916x |
= |
37908 |
x |
= |
37908 / -2916 |
x |
= |
-13 |
Comprobación |
18(-81 x+72) |
= |
81(18 x+484) |
18(-81(-13)+72) |
= |
81(18(-13)+484) |
18(1053+72) |
= |
81(-234+484) |
18(1125) |
= |
81(250) |
20250 |
= |
20250 |
= |
www.educa.mx |
| Ejercicio 218 | ||
20(-48 x+24) |
= |
16(24 x-558) |
-960 x+480 |
= |
384 x-8928 |
-960 x-384 x |
= |
-8928-480 |
-1344x |
= |
-9408 |
x |
= |
-9408 / -1344 |
x |
= |
7 |
Comprobación |
20(-48 x+24) |
= |
16(24 x-558) |
20(-48(7)+24) |
= |
16(24(7)-558) |
20(-336+24) |
= |
16(168-558) |
20(-312) |
= |
16(-390) |
-6240 |
= |
-6240 |
= |
www.educa.mx |
| Ejercicio 219 | ||
-30(-18 x+4) |
= |
4(26 x+79) |
540 x-120 |
= |
104 x+316 |
540 x-104 x |
= |
316+120 |
436x |
= |
436 |
x |
= |
436 / 436 |
x |
= |
1 |
Comprobación |
-30(-18 x+4) |
= |
4(26 x+79) |
-30(-18(1)+4) |
= |
4(26(1)+79) |
-30(-18+4) |
= |
4(26+79) |
-30(-14) |
= |
4(105) |
420 |
= |
420 |
= |
www.educa.mx |
| Ejercicio 220 | ||
36(-135 x+108) |
= |
81(117 x+579) |
-4860 x+3888 |
= |
9477 x+46899 |
-4860 x-9477 x |
= |
46899-3888 |
-14337x |
= |
43011 |
x |
= |
43011 / -14337 |
x |
= |
-3 |
Comprobación |
36(-135 x+108) |
= |
81(117 x+579) |
36(-135(-3)+108) |
= |
81(117(-3)+579) |
36(405+108) |
= |
81(-351+579) |
36(513) |
= |
81(228) |
18468 |
= |
18468 |
= |
www.educa.mx |
| Ejercicio 221 | ||
-90(-60 x-165) |
= |
225(-75 x-825) |
5400 x+14850 |
= |
-16875 x-185625 |
5400 x+16875 x |
= |
-185625-14850 |
22275x |
= |
-200475 |
x |
= |
-200475 / 22275 |
x |
= |
-9 |
Comprobación |
-90(-60 x-165) |
= |
225(-75 x-825) |
-90(-60(-9)-165) |
= |
225(-75(-9)-825) |
-90(540-165) |
= |
225(675-825) |
-90(375) |
= |
225(-150) |
-33750 |
= |
-33750 |
= |
www.educa.mx |
| Ejercicio 222 | ||
-12(-33 x-9) |
= |
9(15 x+215) |
396 x+108 |
= |
135 x+1935 |
396 x-135 x |
= |
1935-108 |
261x |
= |
1827 |
x |
= |
1827 / 261 |
x |
= |
7 |
Comprobación |
-12(-33 x-9) |
= |
9(15 x+215) |
-12(-33(7)-9) |
= |
9(15(7)+215) |
-12(-231-9) |
= |
9(105+215) |
-12(-240) |
= |
9(320) |
2880 |
= |
2880 |
= |
www.educa.mx |
| Ejercicio 223 | ||
120(132 x+108) |
= |
144(12 x+1266) |
15840 x+12960 |
= |
1728 x+182304 |
15840 x-1728 x |
= |
182304-12960 |
14112x |
= |
169344 |
x |
= |
169344 / 14112 |
x |
= |
12 |
Comprobación |
120(132 x+108) |
= |
144(12 x+1266) |
120(132(12)+108) |
= |
144(12(12)+1266) |
120(1584+108) |
= |
144(144+1266) |
120(1692) |
= |
144(1410) |
203040 |
= |
203040 |
= |
www.educa.mx |
| Ejercicio 224 | ||
32(40 x-24) |
= |
16(8 x+600) |
1280 x-768 |
= |
128 x+9600 |
1280 x-128 x |
= |
9600+768 |
1152x |
= |
10368 |
x |
= |
10368 / 1152 |
x |
= |
9 |
Comprobación |
32(40 x-24) |
= |
16(8 x+600) |
32(40(9)-24) |
= |
16(8(9)+600) |
32(360-24) |
= |
16(72+600) |
32(336) |
= |
16(672) |
10752 |
= |
10752 |
= |
www.educa.mx |
| Ejercicio 225 | ||
-16(16 x-80) |
= |
64(104 x-1492) |
-256 x+1280 |
= |
6656 x-95488 |
-256 x-6656 x |
= |
-95488-1280 |
-6912x |
= |
-96768 |
x |
= |
-96768 / -6912 |
x |
= |
14 |
Comprobación |
-16(16 x-80) |
= |
64(104 x-1492) |
-16(16(14)-80) |
= |
64(104(14)-1492) |
-16(224-80) |
= |
64(1456-1492) |
-16(144) |
= |
64(-36) |
-2304 |
= |
-2304 |
= |
www.educa.mx |
| Ejercicio 226 | ||
40(-16 x+32) |
= |
16(12 x+756) |
-640 x+1280 |
= |
192 x+12096 |
-640 x-192 x |
= |
12096-1280 |
-832x |
= |
10816 |
x |
= |
10816 / -832 |
x |
= |
-13 |
Comprobación |
40(-16 x+32) |
= |
16(12 x+756) |
40(-16(-13)+32) |
= |
16(12(-13)+756) |
40(208+32) |
= |
16(-156+756) |
40(240) |
= |
16(600) |
9600 |
= |
9600 |
= |
www.educa.mx |
| Ejercicio 227 | ||
-165(120 x-45) |
= |
225(-45 x+205) |
-19800 x+7425 |
= |
-10125 x+46125 |
-19800 x+10125 x |
= |
46125-7425 |
-9675x |
= |
38700 |
x |
= |
38700 / -9675 |
x |
= |
-4 |
Comprobación |
-165(120 x-45) |
= |
225(-45 x+205) |
-165(120(-4)-45) |
= |
225(-45(-4)+205) |
-165(-480-45) |
= |
225(180+205) |
-165(-525) |
= |
225(385) |
86625 |
= |
86625 |
= |
www.educa.mx |
| Ejercicio 228 | ||
-90(40 x+110) |
= |
100(-90 x-531) |
-3600 x-9900 |
= |
-9000 x-53100 |
-3600 x+9000 x |
= |
-53100+9900 |
5400x |
= |
-43200 |
x |
= |
-43200 / 5400 |
x |
= |
-8 |
Comprobación |
-90(40 x+110) |
= |
100(-90 x-531) |
-90(40(-8)+110) |
= |
100(-90(-8)-531) |
-90(-320+110) |
= |
100(720-531) |
-90(-210) |
= |
100(189) |
18900 |
= |
18900 |
= |
www.educa.mx |
| Ejercicio 229 | ||
-45(70 x+20) |
= |
25(65 x-1373) |
-3150 x-900 |
= |
1625 x-34325 |
-3150 x-1625 x |
= |
-34325+900 |
-4775x |
= |
-33425 |
x |
= |
-33425 / -4775 |
x |
= |
7 |
Comprobación |
-45(70 x+20) |
= |
25(65 x-1373) |
-45(70(7)+20) |
= |
25(65(7)-1373) |
-45(490+20) |
= |
25(455-1373) |
-45(510) |
= |
25(-918) |
-22950 |
= |
-22950 |
= |
www.educa.mx |
| Ejercicio 230 | ||
225(135 x+45) |
= |
225(-135 x-765) |
30375 x+10125 |
= |
-30375 x-172125 |
30375 x+30375 x |
= |
-172125-10125 |
60750x |
= |
-182250 |
x |
= |
-182250 / 60750 |
x |
= |
-3 |
Comprobación |
225(135 x+45) |
= |
225(-135 x-765) |
225(135(-3)+45) |
= |
225(-135(-3)-765) |
225(-405+45) |
= |
225(405-765) |
225(-360) |
= |
225(-360) |
-81000 |
= |
-81000 |
= |
www.educa.mx |
| Ejercicio 231 | ||
-28(-14 x-91) |
= |
49(63 x-498) |
392 x+2548 |
= |
3087 x-24402 |
392 x-3087 x |
= |
-24402-2548 |
-2695x |
= |
-26950 |
x |
= |
-26950 / -2695 |
x |
= |
10 |
Comprobación |
-28(-14 x-91) |
= |
49(63 x-498) |
-28(-14(10)-91) |
= |
49(63(10)-498) |
-28(-140-91) |
= |
49(630-498) |
-28(-231) |
= |
49(132) |
6468 |
= |
6468 |
= |
www.educa.mx |
| Ejercicio 232 | ||
-32(-16 x+48) |
= |
64(40 x+296) |
512 x-1536 |
= |
2560 x+18944 |
512 x-2560 x |
= |
18944+1536 |
-2048x |
= |
20480 |
x |
= |
20480 / -2048 |
x |
= |
-10 |
Comprobación |
-32(-16 x+48) |
= |
64(40 x+296) |
-32(-16(-10)+48) |
= |
64(40(-10)+296) |
-32(160+48) |
= |
64(-400+296) |
-32(208) |
= |
64(-104) |
-6656 |
= |
-6656 |
= |
www.educa.mx |
| Ejercicio 233 | ||
168(196 x+14) |
= |
196(-210 x+1902) |
32928 x+2352 |
= |
-41160 x+372792 |
32928 x+41160 x |
= |
372792-2352 |
74088x |
= |
370440 |
x |
= |
370440 / 74088 |
x |
= |
5 |
Comprobación |
168(196 x+14) |
= |
196(-210 x+1902) |
168(196(5)+14) |
= |
196(-210(5)+1902) |
168(980+14) |
= |
196(-1050+1902) |
168(994) |
= |
196(852) |
166992 |
= |
166992 |
= |
www.educa.mx |
| Ejercicio 234 | ||
24(80 x-96) |
= |
64(96 x-960) |
1920 x-2304 |
= |
6144 x-61440 |
1920 x-6144 x |
= |
-61440+2304 |
-4224x |
= |
-59136 |
x |
= |
-59136 / -4224 |
x |
= |
14 |
Comprobación |
24(80 x-96) |
= |
64(96 x-960) |
24(80(14)-96) |
= |
64(96(14)-960) |
24(1120-96) |
= |
64(1344-960) |
24(1024) |
= |
64(384) |
24576 |
= |
24576 |
= |
www.educa.mx |
| Ejercicio 235 | ||
-4(36 x-56) |
= |
16(-12 x+23) |
-144 x+224 |
= |
-192 x+368 |
-144 x+192 x |
= |
368-224 |
48x |
= |
144 |
x |
= |
144 / 48 |
x |
= |
3 |
Comprobación |
-4(36 x-56) |
= |
16(-12 x+23) |
-4(36(3)-56) |
= |
16(-12(3)+23) |
-4(108-56) |
= |
16(-36+23) |
-4(52) |
= |
16(-13) |
-208 |
= |
-208 |
= |
www.educa.mx |
| Ejercicio 236 | ||
126(-70 x-168) |
= |
196(140 x+262) |
-8820 x-21168 |
= |
27440 x+51352 |
-8820 x-27440 x |
= |
51352+21168 |
-36260x |
= |
72520 |
x |
= |
72520 / -36260 |
x |
= |
-2 |
Comprobación |
126(-70 x-168) |
= |
196(140 x+262) |
126(-70(-2)-168) |
= |
196(140(-2)+262) |
126(140-168) |
= |
196(-280+262) |
126(-28) |
= |
196(-18) |
-3528 |
= |
-3528 |
= |
www.educa.mx |
| Ejercicio 237 | ||
40(56 x+4) |
= |
16(-32 x-1366) |
2240 x+160 |
= |
-512 x-21856 |
2240 x+512 x |
= |
-21856-160 |
2752x |
= |
-22016 |
x |
= |
-22016 / 2752 |
x |
= |
-8 |
Comprobación |
40(56 x+4) |
= |
16(-32 x-1366) |
40(56(-8)+4) |
= |
16(-32(-8)-1366) |
40(-448+4) |
= |
16(256-1366) |
40(-444) |
= |
16(-1110) |
-17760 |
= |
-17760 |
= |
www.educa.mx |
| Ejercicio 238 | ||
-120(-135 x+195) |
= |
225(225 x-2093) |
16200 x-23400 |
= |
50625 x-470925 |
16200 x-50625 x |
= |
-470925+23400 |
-34425x |
= |
-447525 |
x |
= |
-447525 / -34425 |
x |
= |
13 |
Comprobación |
-120(-135 x+195) |
= |
225(225 x-2093) |
-120(-135(13)+195) |
= |
225(225(13)-2093) |
-120(-1755+195) |
= |
225(2925-2093) |
-120(-1560) |
= |
225(832) |
187200 |
= |
187200 |
= |
www.educa.mx |
| Ejercicio 239 | ||
110(-66 x+143) |
= |
121(143 x-1494) |
-7260 x+15730 |
= |
17303 x-180774 |
-7260 x-17303 x |
= |
-180774-15730 |
-24563x |
= |
-196504 |
x |
= |
-196504 / -24563 |
x |
= |
8 |
Comprobación |
110(-66 x+143) |
= |
121(143 x-1494) |
110(-66(8)+143) |
= |
121(143(8)-1494) |
110(-528+143) |
= |
121(1144-1494) |
110(-385) |
= |
121(-350) |
-42350 |
= |
-42350 |
= |
www.educa.mx |
| Ejercicio 240 | ||
12(-56 x-44) |
= |
16(44 x-635) |
-672 x-528 |
= |
704 x-10160 |
-672 x-704 x |
= |
-10160+528 |
-1376x |
= |
-9632 |
x |
= |
-9632 / -1376 |
x |
= |
7 |
Comprobación |
12(-56 x-44) |
= |
16(44 x-635) |
12(-56(7)-44) |
= |
16(44(7)-635) |
12(-392-44) |
= |
16(308-635) |
12(-436) |
= |
16(-327) |
-5232 |
= |
-5232 |
= |
www.educa.mx |
| Ejercicio 241 | ||
-182(196 x-196) |
= |
196(-168 x+196) |
-35672 x+35672 |
= |
-32928 x+38416 |
-35672 x+32928 x |
= |
38416-35672 |
-2744x |
= |
2744 |
x |
= |
2744 / -2744 |
x |
= |
-1 |
Comprobación |
-182(196 x-196) |
= |
196(-168 x+196) |
-182(196(-1)-196) |
= |
196(-168(-1)+196) |
-182(-196-196) |
= |
196(168+196) |
-182(-392) |
= |
196(364) |
71344 |
= |
71344 |
= |
www.educa.mx |
| Ejercicio 242 | ||
-20(-70 x+40) |
= |
100(50 x-440) |
1400 x-800 |
= |
5000 x-44000 |
1400 x-5000 x |
= |
-44000+800 |
-3600x |
= |
-43200 |
x |
= |
-43200 / -3600 |
x |
= |
12 |
Comprobación |
-20(-70 x+40) |
= |
100(50 x-440) |
-20(-70(12)+40) |
= |
100(50(12)-440) |
-20(-840+40) |
= |
100(600-440) |
-20(-800) |
= |
100(160) |
16000 |
= |
16000 |
= |
www.educa.mx |
| Ejercicio 243 | ||
154(196 x+28) |
= |
196(168 x+176) |
30184 x+4312 |
= |
32928 x+34496 |
30184 x-32928 x |
= |
34496-4312 |
-2744x |
= |
30184 |
x |
= |
30184 / -2744 |
x |
= |
-11 |
Comprobación |
154(196 x+28) |
= |
196(168 x+176) |
154(196(-11)+28) |
= |
196(168(-11)+176) |
154(-2156+28) |
= |
196(-1848+176) |
154(-2128) |
= |
196(-1672) |
-327712 |
= |
-327712 |
= |
www.educa.mx |
| Ejercicio 244 | ||
24(30 x-72) |
= |
36(24 x-44) |
720 x-1728 |
= |
864 x-1584 |
720 x-864 x |
= |
-1584+1728 |
-144x |
= |
144 |
x |
= |
144 / -144 |
x |
= |
-1 |
Comprobación |
24(30 x-72) |
= |
36(24 x-44) |
24(30(-1)-72) |
= |
36(24(-1)-44) |
24(-30-72) |
= |
36(-24-44) |
24(-102) |
= |
36(-68) |
-2448 |
= |
-2448 |
= |
www.educa.mx |
| Ejercicio 245 | ||
-48(72 x-104) |
= |
64(-88 x-432) |
-3456 x+4992 |
= |
-5632 x-27648 |
-3456 x+5632 x |
= |
-27648-4992 |
2176x |
= |
-32640 |
x |
= |
-32640 / 2176 |
x |
= |
-15 |
Comprobación |
-48(72 x-104) |
= |
64(-88 x-432) |
-48(72(-15)-104) |
= |
64(-88(-15)-432) |
-48(-1080-104) |
= |
64(1320-432) |
-48(-1184) |
= |
64(888) |
56832 |
= |
56832 |
= |
www.educa.mx |
| Ejercicio 246 | ||
48(-66 x+90) |
= |
36(-30 x+642) |
-3168 x+4320 |
= |
-1080 x+23112 |
-3168 x+1080 x |
= |
23112-4320 |
-2088x |
= |
18792 |
x |
= |
18792 / -2088 |
x |
= |
-9 |
Comprobación |
48(-66 x+90) |
= |
36(-30 x+642) |
48(-66(-9)+90) |
= |
36(-30(-9)+642) |
48(594+90) |
= |
36(270+642) |
48(684) |
= |
36(912) |
32832 |
= |
32832 |
= |
www.educa.mx |
| Ejercicio 247 | ||
168(84 x+72) |
= |
144(108 x+64) |
14112 x+12096 |
= |
15552 x+9216 |
14112 x-15552 x |
= |
9216-12096 |
-1440x |
= |
-2880 |
x |
= |
-2880 / -1440 |
x |
= |
2 |
Comprobación |
168(84 x+72) |
= |
144(108 x+64) |
168(84(2)+72) |
= |
144(108(2)+64) |
168(168+72) |
= |
144(216+64) |
168(240) |
= |
144(280) |
40320 |
= |
40320 |
= |
www.educa.mx |
| Ejercicio 248 | ||
45(30 x+60) |
= |
225(45 x+480) |
1350 x+2700 |
= |
10125 x+108000 |
1350 x-10125 x |
= |
108000-2700 |
-8775x |
= |
105300 |
x |
= |
105300 / -8775 |
x |
= |
-12 |
Comprobación |
45(30 x+60) |
= |
225(45 x+480) |
45(30(-12)+60) |
= |
225(45(-12)+480) |
45(-360+60) |
= |
225(-540+480) |
45(-300) |
= |
225(-60) |
-13500 |
= |
-13500 |
= |
www.educa.mx |
| Ejercicio 249 | ||
-99(-44 x+121) |
= |
121(55 x-194) |
4356 x-11979 |
= |
6655 x-23474 |
4356 x-6655 x |
= |
-23474+11979 |
-2299x |
= |
-11495 |
x |
= |
-11495 / -2299 |
x |
= |
5 |
Comprobación |
-99(-44 x+121) |
= |
121(55 x-194) |
-99(-44(5)+121) |
= |
121(55(5)-194) |
-99(-220+121) |
= |
121(275-194) |
-99(-99) |
= |
121(81) |
9801 |
= |
9801 |
= |
www.educa.mx |
| Ejercicio 250 | ||
-126(182 x-126) |
= |
196(98 x+1156) |
-22932 x+15876 |
= |
19208 x+226576 |
-22932 x-19208 x |
= |
226576-15876 |
-42140x |
= |
210700 |
x |
= |
210700 / -42140 |
x |
= |
-5 |
Comprobación |
-126(182 x-126) |
= |
196(98 x+1156) |
-126(182(-5)-126) |
= |
196(98(-5)+1156) |
-126(-910-126) |
= |
196(-490+1156) |
-126(-1036) |
= |
196(666) |
130536 |
= |
130536 |
= |
www.educa.mx |
| Ejercicio 251 | ||
112(-84 x+98) |
= |
196(-182 x-346) |
-9408 x+10976 |
= |
-35672 x-67816 |
-9408 x+35672 x |
= |
-67816-10976 |
26264x |
= |
-78792 |
x |
= |
-78792 / 26264 |
x |
= |
-3 |
Comprobación |
112(-84 x+98) |
= |
196(-182 x-346) |
112(-84(-3)+98) |
= |
196(-182(-3)-346) |
112(252+98) |
= |
196(546-346) |
112(350) |
= |
196(200) |
39200 |
= |
39200 |
= |
www.educa.mx |
| Ejercicio 252 | ||
-78(-12 x+90) |
= |
36(-24 x-795) |
936 x-7020 |
= |
-864 x-28620 |
936 x+864 x |
= |
-28620+7020 |
1800x |
= |
-21600 |
x |
= |
-21600 / 1800 |
x |
= |
-12 |
Comprobación |
-78(-12 x+90) |
= |
36(-24 x-795) |
-78(-12(-12)+90) |
= |
36(-24(-12)-795) |
-78(144+90) |
= |
36(288-795) |
-78(234) |
= |
36(-507) |
-18252 |
= |
-18252 |
= |
www.educa.mx |
| Ejercicio 253 | ||
65(-156 x-143) |
= |
169(65 x+1195) |
-10140 x-9295 |
= |
10985 x+201955 |
-10140 x-10985 x |
= |
201955+9295 |
-21125x |
= |
211250 |
x |
= |
211250 / -21125 |
x |
= |
-10 |
Comprobación |
65(-156 x-143) |
= |
169(65 x+1195) |
65(-156(-10)-143) |
= |
169(65(-10)+1195) |
65(1560-143) |
= |
169(-650+1195) |
65(1417) |
= |
169(545) |
92105 |
= |
92105 |
= |
www.educa.mx |
| Ejercicio 254 | ||
45(75 x-45) |
= |
225(-180 x+381) |
3375 x-2025 |
= |
-40500 x+85725 |
3375 x+40500 x |
= |
85725+2025 |
43875x |
= |
87750 |
x |
= |
87750 / 43875 |
x |
= |
2 |
Comprobación |
45(75 x-45) |
= |
225(-180 x+381) |
45(75(2)-45) |
= |
225(-180(2)+381) |
45(150-45) |
= |
225(-360+381) |
45(105) |
= |
225(21) |
4725 |
= |
4725 |
= |
www.educa.mx |
| Ejercicio 255 | ||
-130(90 x-20) |
= |
100(20 x-1892) |
-11700 x+2600 |
= |
2000 x-189200 |
-11700 x-2000 x |
= |
-189200-2600 |
-13700x |
= |
-191800 |
x |
= |
-191800 / -13700 |
x |
= |
14 |
Comprobación |
-130(90 x-20) |
= |
100(20 x-1892) |
-130(90(14)-20) |
= |
100(20(14)-1892) |
-130(1260-20) |
= |
100(280-1892) |
-130(1240) |
= |
100(-1612) |
-161200 |
= |
-161200 |
= |
www.educa.mx |
| Ejercicio 256 | ||
12(14 x-10) |
= |
4(4 x-524) |
168 x-120 |
= |
16 x-2096 |
168 x-16 x |
= |
-2096+120 |
152x |
= |
-1976 |
x |
= |
-1976 / 152 |
x |
= |
-13 |
Comprobación |
12(14 x-10) |
= |
4(4 x-524) |
12(14(-13)-10) |
= |
4(4(-13)-524) |
12(-182-10) |
= |
4(-52-524) |
12(-192) |
= |
4(-576) |
-2304 |
= |
-2304 |
= |
www.educa.mx |
| Ejercicio 257 | ||
10(8 x+2) |
= |
1(-1 x+911) |
80 x+20 |
= |
- x+911 |
80 x+ x |
= |
911-20 |
81x |
= |
891 |
x |
= |
891 / 81 |
x |
= |
11 |
Comprobación |
10(8 x+2) |
= |
1(-1 x+911) |
10(8(11)+2) |
= |
1(-1(11)+911) |
10(88+2) |
= |
1(-11+911) |
10(90) |
= |
1(900) |
900 |
= |
900 |
= |
www.educa.mx |
| Ejercicio 258 | ||
91(-182 x-65) |
= |
169(-91 x-112) |
-16562 x-5915 |
= |
-15379 x-18928 |
-16562 x+15379 x |
= |
-18928+5915 |
-1183x |
= |
-13013 |
x |
= |
-13013 / -1183 |
x |
= |
11 |
Comprobación |
91(-182 x-65) |
= |
169(-91 x-112) |
91(-182(11)-65) |
= |
169(-91(11)-112) |
91(-2002-65) |
= |
169(-1001-112) |
91(-2067) |
= |
169(-1113) |
-188097 |
= |
-188097 |
= |
www.educa.mx |
| Ejercicio 259 | ||
-8(8 x+32) |
= |
16(16 x-56) |
-64 x-256 |
= |
256 x-896 |
-64 x-256 x |
= |
-896+256 |
-320x |
= |
-640 |
x |
= |
-640 / -320 |
x |
= |
2 |
Comprobación |
-8(8 x+32) |
= |
16(16 x-56) |
-8(8(2)+32) |
= |
16(16(2)-56) |
-8(16+32) |
= |
16(32-56) |
-8(48) |
= |
16(-24) |
-384 |
= |
-384 |
= |
www.educa.mx |
| Ejercicio 260 | ||
-10(40 x+75) |
= |
25(70 x-632) |
-400 x-750 |
= |
1750 x-15800 |
-400 x-1750 x |
= |
-15800+750 |
-2150x |
= |
-15050 |
x |
= |
-15050 / -2150 |
x |
= |
7 |
Comprobación |
-10(40 x+75) |
= |
25(70 x-632) |
-10(40(7)+75) |
= |
25(70(7)-632) |
-10(280+75) |
= |
25(490-632) |
-10(355) |
= |
25(-142) |
-3550 |
= |
-3550 |
= |
www.educa.mx |
| Ejercicio 261 | ||
65(-55 x-60) |
= |
25(40 x-1620) |
-3575 x-3900 |
= |
1000 x-40500 |
-3575 x-1000 x |
= |
-40500+3900 |
-4575x |
= |
-36600 |
x |
= |
-36600 / -4575 |
x |
= |
8 |
Comprobación |
65(-55 x-60) |
= |
25(40 x-1620) |
65(-55(8)-60) |
= |
25(40(8)-1620) |
65(-440-60) |
= |
25(320-1620) |
65(-500) |
= |
25(-1300) |
-32500 |
= |
-32500 |
= |
www.educa.mx |
| Ejercicio 262 | ||
40(130 x+90) |
= |
100(130 x-432) |
5200 x+3600 |
= |
13000 x-43200 |
5200 x-13000 x |
= |
-43200-3600 |
-7800x |
= |
-46800 |
x |
= |
-46800 / -7800 |
x |
= |
6 |
Comprobación |
40(130 x+90) |
= |
100(130 x-432) |
40(130(6)+90) |
= |
100(130(6)-432) |
40(780+90) |
= |
100(780-432) |
40(870) |
= |
100(348) |
34800 |
= |
34800 |
= |
www.educa.mx |
| Ejercicio 263 | ||
-154(143 x-154) |
= |
121(-110 x+196) |
-22022 x+23716 |
= |
-13310 x+23716 |
-22022 x+13310 x |
= |
23716-23716 |
-8712x |
= |
0 |
x |
= |
0 / -8712 |
x |
= |
0 |
Comprobación |
-154(143 x-154) |
= |
121(-110 x+196) |
-154(143(0)-154) |
= |
121(-110(0)+196) |
-154(0-154) |
= |
121(0+196) |
-154(-154) |
= |
121(196) |
23716 |
= |
23716 |
= |
www.educa.mx |
| Ejercicio 264 | ||
42(3 x+30) |
= |
9(24 x+220) |
126 x+1260 |
= |
216 x+1980 |
126 x-216 x |
= |
1980-1260 |
-90x |
= |
720 |
x |
= |
720 / -90 |
x |
= |
-8 |
Comprobación |
42(3 x+30) |
= |
9(24 x+220) |
42(3(-8)+30) |
= |
9(24(-8)+220) |
42(-24+30) |
= |
9(-192+220) |
42(6) |
= |
9(28) |
252 |
= |
252 |
= |
www.educa.mx |
| Ejercicio 265 | ||
24(48 x-96) |
= |
144(-72 x+1024) |
1152 x-2304 |
= |
-10368 x+147456 |
1152 x+10368 x |
= |
147456+2304 |
11520x |
= |
149760 |
x |
= |
149760 / 11520 |
x |
= |
13 |
Comprobación |
24(48 x-96) |
= |
144(-72 x+1024) |
24(48(13)-96) |
= |
144(-72(13)+1024) |
24(624-96) |
= |
144(-936+1024) |
24(528) |
= |
144(88) |
12672 |
= |
12672 |
= |
www.educa.mx |
| Ejercicio 266 | ||
110(-90 x+60) |
= |
100(70 x+2094) |
-9900 x+6600 |
= |
7000 x+209400 |
-9900 x-7000 x |
= |
209400-6600 |
-16900x |
= |
202800 |
x |
= |
202800 / -16900 |
x |
= |
-12 |
Comprobación |
110(-90 x+60) |
= |
100(70 x+2094) |
110(-90(-12)+60) |
= |
100(70(-12)+2094) |
110(1080+60) |
= |
100(-840+2094) |
110(1140) |
= |
100(1254) |
125400 |
= |
125400 |
= |
www.educa.mx |
| Ejercicio 267 | ||
-42(154 x+210) |
= |
196(98 x+1527) |
-6468 x-8820 |
= |
19208 x+299292 |
-6468 x-19208 x |
= |
299292+8820 |
-25676x |
= |
308112 |
x |
= |
308112 / -25676 |
x |
= |
-12 |
Comprobación |
-42(154 x+210) |
= |
196(98 x+1527) |
-42(154(-12)+210) |
= |
196(98(-12)+1527) |
-42(-1848+210) |
= |
196(-1176+1527) |
-42(-1638) |
= |
196(351) |
68796 |
= |
68796 |
= |
www.educa.mx |
| Ejercicio 268 | ||
84(42 x+154) |
= |
196(154 x-750) |
3528 x+12936 |
= |
30184 x-147000 |
3528 x-30184 x |
= |
-147000-12936 |
-26656x |
= |
-159936 |
x |
= |
-159936 / -26656 |
x |
= |
6 |
Comprobación |
84(42 x+154) |
= |
196(154 x-750) |
84(42(6)+154) |
= |
196(154(6)-750) |
84(252+154) |
= |
196(924-750) |
84(406) |
= |
196(174) |
34104 |
= |
34104 |
= |
www.educa.mx |
| Ejercicio 269 | ||
45(27 x+63) |
= |
81(117 x+851) |
1215 x+2835 |
= |
9477 x+68931 |
1215 x-9477 x |
= |
68931-2835 |
-8262x |
= |
66096 |
x |
= |
66096 / -8262 |
x |
= |
-8 |
Comprobación |
45(27 x+63) |
= |
81(117 x+851) |
45(27(-8)+63) |
= |
81(117(-8)+851) |
45(-216+63) |
= |
81(-936+851) |
45(-153) |
= |
81(-85) |
-6885 |
= |
-6885 |
= |
www.educa.mx |
| Ejercicio 270 | ||
98(-14 x-91) |
= |
49(-98 x+238) |
-1372 x-8918 |
= |
-4802 x+11662 |
-1372 x+4802 x |
= |
11662+8918 |
3430x |
= |
20580 |
x |
= |
20580 / 3430 |
x |
= |
6 |
Comprobación |
98(-14 x-91) |
= |
49(-98 x+238) |
98(-14(6)-91) |
= |
49(-98(6)+238) |
98(-84-91) |
= |
49(-588+238) |
98(-175) |
= |
49(-350) |
-17150 |
= |
-17150 |
= |
www.educa.mx |
| Ejercicio 271 | ||
-12(6 x+72) |
= |
36(36 x+52) |
-72 x-864 |
= |
1296 x+1872 |
-72 x-1296 x |
= |
1872+864 |
-1368x |
= |
2736 |
x |
= |
2736 / -1368 |
x |
= |
-2 |
Comprobación |
-12(6 x+72) |
= |
36(36 x+52) |
-12(6(-2)+72) |
= |
36(36(-2)+52) |
-12(-12+72) |
= |
36(-72+52) |
-12(60) |
= |
36(-20) |
-720 |
= |
-720 |
= |
www.educa.mx |
| Ejercicio 272 | ||
-91(39 x+130) |
= |
169(-78 x-925) |
-3549 x-11830 |
= |
-13182 x-156325 |
-3549 x+13182 x |
= |
-156325+11830 |
9633x |
= |
-144495 |
x |
= |
-144495 / 9633 |
x |
= |
-15 |
Comprobación |
-91(39 x+130) |
= |
169(-78 x-925) |
-91(39(-15)+130) |
= |
169(-78(-15)-925) |
-91(-585+130) |
= |
169(1170-925) |
-91(-455) |
= |
169(245) |
41405 |
= |
41405 |
= |
www.educa.mx |
| Ejercicio 273 | ||
4(16 x-24) |
= |
16(-16 x-146) |
64 x-96 |
= |
-256 x-2336 |
64 x+256 x |
= |
-2336+96 |
320x |
= |
-2240 |
x |
= |
-2240 / 320 |
x |
= |
-7 |
Comprobación |
4(16 x-24) |
= |
16(-16 x-146) |
4(16(-7)-24) |
= |
16(-16(-7)-146) |
4(-112-24) |
= |
16(112-146) |
4(-136) |
= |
16(-34) |
-544 |
= |
-544 |
= |
www.educa.mx |
| Ejercicio 274 | ||
132(44 x-11) |
= |
121(55 x+23) |
5808 x-1452 |
= |
6655 x+2783 |
5808 x-6655 x |
= |
2783+1452 |
-847x |
= |
4235 |
x |
= |
4235 / -847 |
x |
= |
-5 |
Comprobación |
132(44 x-11) |
= |
121(55 x+23) |
132(44(-5)-11) |
= |
121(55(-5)+23) |
132(-220-11) |
= |
121(-275+23) |
132(-231) |
= |
121(-252) |
-30492 |
= |
-30492 |
= |
www.educa.mx |
| Ejercicio 275 | ||
70(-80 x-120) |
= |
100(-80 x-156) |
-5600 x-8400 |
= |
-8000 x-15600 |
-5600 x+8000 x |
= |
-15600+8400 |
2400x |
= |
-7200 |
x |
= |
-7200 / 2400 |
x |
= |
-3 |
Comprobación |
70(-80 x-120) |
= |
100(-80 x-156) |
70(-80(-3)-120) |
= |
100(-80(-3)-156) |
70(240-120) |
= |
100(240-156) |
70(120) |
= |
100(84) |
8400 |
= |
8400 |
= |
www.educa.mx |
| Ejercicio 276 | ||
52(-52 x+8) |
= |
16(8 x+1442) |
-2704 x+416 |
= |
128 x+23072 |
-2704 x-128 x |
= |
23072-416 |
-2832x |
= |
22656 |
x |
= |
22656 / -2832 |
x |
= |
-8 |
Comprobación |
52(-52 x+8) |
= |
16(8 x+1442) |
52(-52(-8)+8) |
= |
16(8(-8)+1442) |
52(416+8) |
= |
16(-64+1442) |
52(424) |
= |
16(1378) |
22048 |
= |
22048 |
= |
www.educa.mx |
| Ejercicio 277 | ||
-16(96 x+88) |
= |
64(-56 x+42) |
-1536 x-1408 |
= |
-3584 x+2688 |
-1536 x+3584 x |
= |
2688+1408 |
2048x |
= |
4096 |
x |
= |
4096 / 2048 |
x |
= |
2 |
Comprobación |
-16(96 x+88) |
= |
64(-56 x+42) |
-16(96(2)+88) |
= |
64(-56(2)+42) |
-16(192+88) |
= |
64(-112+42) |
-16(280) |
= |
64(-70) |
-4480 |
= |
-4480 |
= |
www.educa.mx |
| Ejercicio 278 | ||
33(3 x+24) |
= |
9(-39 x-512) |
99 x+792 |
= |
-351 x-4608 |
99 x+351 x |
= |
-4608-792 |
450x |
= |
-5400 |
x |
= |
-5400 / 450 |
x |
= |
-12 |
Comprobación |
33(3 x+24) |
= |
9(-39 x-512) |
33(3(-12)+24) |
= |
9(-39(-12)-512) |
33(-36+24) |
= |
9(468-512) |
33(-12) |
= |
9(-44) |
-396 |
= |
-396 |
= |
www.educa.mx |
| Ejercicio 279 | ||
-10(-65 x-25) |
= |
25(-5 x+72) |
650 x+250 |
= |
-125 x+1800 |
650 x+125 x |
= |
1800-250 |
775x |
= |
1550 |
x |
= |
1550 / 775 |
x |
= |
2 |
Comprobación |
-10(-65 x-25) |
= |
25(-5 x+72) |
-10(-65(2)-25) |
= |
25(-5(2)+72) |
-10(-130-25) |
= |
25(-10+72) |
-10(-155) |
= |
25(62) |
1550 |
= |
1550 |
= |
www.educa.mx |
| Ejercicio 280 | ||
-132(-88 x-165) |
= |
121(-88 x-924) |
11616 x+21780 |
= |
-10648 x-111804 |
11616 x+10648 x |
= |
-111804-21780 |
22264x |
= |
-133584 |
x |
= |
-133584 / 22264 |
x |
= |
-6 |
Comprobación |
-132(-88 x-165) |
= |
121(-88 x-924) |
-132(-88(-6)-165) |
= |
121(-88(-6)-924) |
-132(528-165) |
= |
121(528-924) |
-132(363) |
= |
121(-396) |
-47916 |
= |
-47916 |
= |
www.educa.mx |
| Ejercicio 281 | ||
-143(26 x-143) |
= |
169(78 x-79) |
-3718 x+20449 |
= |
13182 x-13351 |
-3718 x-13182 x |
= |
-13351-20449 |
-16900x |
= |
-33800 |
x |
= |
-33800 / -16900 |
x |
= |
2 |
Comprobación |
-143(26 x-143) |
= |
169(78 x-79) |
-143(26(2)-143) |
= |
169(78(2)-79) |
-143(52-143) |
= |
169(156-79) |
-143(-91) |
= |
169(77) |
13013 |
= |
13013 |
= |
www.educa.mx |
| Ejercicio 282 | ||
80(-110 x-10) |
= |
100(-90 x-6) |
-8800 x-800 |
= |
-9000 x-600 |
-8800 x+9000 x |
= |
-600+800 |
200x |
= |
200 |
x |
= |
200 / 200 |
x |
= |
1 |
Comprobación |
80(-110 x-10) |
= |
100(-90 x-6) |
80(-110(1)-10) |
= |
100(-90(1)-6) |
80(-110-10) |
= |
100(-90-6) |
80(-120) |
= |
100(-96) |
-9600 |
= |
-9600 |
= |
www.educa.mx |
| Ejercicio 283 | ||
130(169 x+78) |
= |
169(156 x+398) |
21970 x+10140 |
= |
26364 x+67262 |
21970 x-26364 x |
= |
67262-10140 |
-4394x |
= |
57122 |
x |
= |
57122 / -4394 |
x |
= |
-13 |
Comprobación |
130(169 x+78) |
= |
169(156 x+398) |
130(169(-13)+78) |
= |
169(156(-13)+398) |
130(-2197+78) |
= |
169(-2028+398) |
130(-2119) |
= |
169(-1630) |
-275470 |
= |
-275470 |
= |
www.educa.mx |
| Ejercicio 284 | ||
117(-13 x-39) |
= |
169(-26 x-282) |
-1521 x-4563 |
= |
-4394 x-47658 |
-1521 x+4394 x |
= |
-47658+4563 |
2873x |
= |
-43095 |
x |
= |
-43095 / 2873 |
x |
= |
-15 |
Comprobación |
117(-13 x-39) |
= |
169(-26 x-282) |
117(-13(-15)-39) |
= |
169(-26(-15)-282) |
117(195-39) |
= |
169(390-282) |
117(156) |
= |
169(108) |
18252 |
= |
18252 |
= |
www.educa.mx |
| Ejercicio 285 | ||
36(-54 x+48) |
= |
36(-66 x-96) |
-1944 x+1728 |
= |
-2376 x-3456 |
-1944 x+2376 x |
= |
-3456-1728 |
432x |
= |
-5184 |
x |
= |
-5184 / 432 |
x |
= |
-12 |
Comprobación |
36(-54 x+48) |
= |
36(-66 x-96) |
36(-54(-12)+48) |
= |
36(-66(-12)-96) |
36(648+48) |
= |
36(792-96) |
36(696) |
= |
36(696) |
25056 |
= |
25056 |
= |
www.educa.mx |
| Ejercicio 286 | ||
-28(56 x+42) |
= |
196(42 x-456) |
-1568 x-1176 |
= |
8232 x-89376 |
-1568 x-8232 x |
= |
-89376+1176 |
-9800x |
= |
-88200 |
x |
= |
-88200 / -9800 |
x |
= |
9 |
Comprobación |
-28(56 x+42) |
= |
196(42 x-456) |
-28(56(9)+42) |
= |
196(42(9)-456) |
-28(504+42) |
= |
196(378-456) |
-28(546) |
= |
196(-78) |
-15288 |
= |
-15288 |
= |
www.educa.mx |
| Ejercicio 287 | ||
-169(-52 x+143) |
= |
169(-52 x-39) |
8788 x-24167 |
= |
-8788 x-6591 |
8788 x+8788 x |
= |
-6591+24167 |
17576x |
= |
17576 |
x |
= |
17576 / 17576 |
x |
= |
1 |
Comprobación |
-169(-52 x+143) |
= |
169(-52 x-39) |
-169(-52(1)+143) |
= |
169(-52(1)-39) |
-169(-52+143) |
= |
169(-52-39) |
-169(91) |
= |
169(-91) |
-15379 |
= |
-15379 |
= |
www.educa.mx |
| Ejercicio 288 | ||
8(-80 x+40) |
= |
64(-24 x+117) |
-640 x+320 |
= |
-1536 x+7488 |
-640 x+1536 x |
= |
7488-320 |
896x |
= |
7168 |
x |
= |
7168 / 896 |
x |
= |
8 |
Comprobación |
8(-80 x+40) |
= |
64(-24 x+117) |
8(-80(8)+40) |
= |
64(-24(8)+117) |
8(-640+40) |
= |
64(-192+117) |
8(-600) |
= |
64(-75) |
-4800 |
= |
-4800 |
= |
www.educa.mx |
| Ejercicio 289 | ||
36(8 x+4) |
= |
16(-32 x-741) |
288 x+144 |
= |
-512 x-11856 |
288 x+512 x |
= |
-11856-144 |
800x |
= |
-12000 |
x |
= |
-12000 / 800 |
x |
= |
-15 |
Comprobación |
36(8 x+4) |
= |
16(-32 x-741) |
36(8(-15)+4) |
= |
16(-32(-15)-741) |
36(-120+4) |
= |
16(480-741) |
36(-116) |
= |
16(-261) |
-4176 |
= |
-4176 |
= |
www.educa.mx |
| Ejercicio 290 | ||
140(120 x+80) |
= |
100(110 x-468) |
16800 x+11200 |
= |
11000 x-46800 |
16800 x-11000 x |
= |
-46800-11200 |
5800x |
= |
-58000 |
x |
= |
-58000 / 5800 |
x |
= |
-10 |
Comprobación |
140(120 x+80) |
= |
100(110 x-468) |
140(120(-10)+80) |
= |
100(110(-10)-468) |
140(-1200+80) |
= |
100(-1100-468) |
140(-1120) |
= |
100(-1568) |
-156800 |
= |
-156800 |
= |
www.educa.mx |
| Ejercicio 291 | ||
9(-42 x+36) |
= |
9(18 x-24) |
-378 x+324 |
= |
162 x-216 |
-378 x-162 x |
= |
-216-324 |
-540x |
= |
-540 |
x |
= |
-540 / -540 |
x |
= |
1 |
Comprobación |
9(-42 x+36) |
= |
9(18 x-24) |
9(-42(1)+36) |
= |
9(18(1)-24) |
9(-42+36) |
= |
9(18-24) |
9(-6) |
= |
9(-6) |
-54 |
= |
-54 |
= |
www.educa.mx |
| Ejercicio 292 | ||
24(-52 x+28) |
= |
16(8 x+558) |
-1248 x+672 |
= |
128 x+8928 |
-1248 x-128 x |
= |
8928-672 |
-1376x |
= |
8256 |
x |
= |
8256 / -1376 |
x |
= |
-6 |
Comprobación |
24(-52 x+28) |
= |
16(8 x+558) |
24(-52(-6)+28) |
= |
16(8(-6)+558) |
24(312+28) |
= |
16(-48+558) |
24(340) |
= |
16(510) |
8160 |
= |
8160 |
= |
www.educa.mx |
| Ejercicio 293 | ||
39(15 x-15) |
= |
9(33 x+287) |
585 x-585 |
= |
297 x+2583 |
585 x-297 x |
= |
2583+585 |
288x |
= |
3168 |
x |
= |
3168 / 288 |
x |
= |
11 |
Comprobación |
39(15 x-15) |
= |
9(33 x+287) |
39(15(11)-15) |
= |
9(33(11)+287) |
39(165-15) |
= |
9(363+287) |
39(150) |
= |
9(650) |
5850 |
= |
5850 |
= |
www.educa.mx |
| Ejercicio 294 | ||
-44(-56 x+4) |
= |
16(-44 x+1177) |
2464 x-176 |
= |
-704 x+18832 |
2464 x+704 x |
= |
18832+176 |
3168x |
= |
19008 |
x |
= |
19008 / 3168 |
x |
= |
6 |
Comprobación |
-44(-56 x+4) |
= |
16(-44 x+1177) |
-44(-56(6)+4) |
= |
16(-44(6)+1177) |
-44(-336+4) |
= |
16(-264+1177) |
-44(-332) |
= |
16(913) |
14608 |
= |
14608 |
= |
www.educa.mx |
| Ejercicio 295 | ||
-2(-6 x-14) |
= |
1(-7 x-238) |
12 x+28 |
= |
-7 x-238 |
12 x+7 x |
= |
-238-28 |
19x |
= |
-266 |
x |
= |
-266 / 19 |
x |
= |
-14 |
Comprobación |
-2(-6 x-14) |
= |
1(-7 x-238) |
-2(-6(-14)-14) |
= |
1(-7(-14)-238) |
-2(84-14) |
= |
1(98-238) |
-2(70) |
= |
1(-140) |
-140 |
= |
-140 |
= |
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| Ejercicio 296 | ||
-45(-50 x-20) |
= |
25(15 x-489) |
2250 x+900 |
= |
375 x-12225 |
2250 x-375 x |
= |
-12225-900 |
1875x |
= |
-13125 |
x |
= |
-13125 / 1875 |
x |
= |
-7 |
Comprobación |
-45(-50 x-20) |
= |
25(15 x-489) |
-45(-50(-7)-20) |
= |
25(15(-7)-489) |
-45(350-20) |
= |
25(-105-489) |
-45(330) |
= |
25(-594) |
-14850 |
= |
-14850 |
= |
www.educa.mx |
| Ejercicio 297 | ||
-24(-132 x-108) |
= |
144(-36 x+540) |
3168 x+2592 |
= |
-5184 x+77760 |
3168 x+5184 x |
= |
77760-2592 |
8352x |
= |
75168 |
x |
= |
75168 / 8352 |
x |
= |
9 |
Comprobación |
-24(-132 x-108) |
= |
144(-36 x+540) |
-24(-132(9)-108) |
= |
144(-36(9)+540) |
-24(-1188-108) |
= |
144(-324+540) |
-24(-1296) |
= |
144(216) |
31104 |
= |
31104 |
= |
www.educa.mx |
| Ejercicio 298 | ||
-22(154 x+110) |
= |
121(99 x-528) |
-3388 x-2420 |
= |
11979 x-63888 |
-3388 x-11979 x |
= |
-63888+2420 |
-15367x |
= |
-61468 |
x |
= |
-61468 / -15367 |
x |
= |
4 |
Comprobación |
-22(154 x+110) |
= |
121(99 x-528) |
-22(154(4)+110) |
= |
121(99(4)-528) |
-22(616+110) |
= |
121(396-528) |
-22(726) |
= |
121(-132) |
-15972 |
= |
-15972 |
= |
www.educa.mx |
| Ejercicio 299 | ||
-112(96 x-96) |
= |
64(-72 x-1176) |
-10752 x+10752 |
= |
-4608 x-75264 |
-10752 x+4608 x |
= |
-75264-10752 |
-6144x |
= |
-86016 |
x |
= |
-86016 / -6144 |
x |
= |
14 |
Comprobación |
-112(96 x-96) |
= |
64(-72 x-1176) |
-112(96(14)-96) |
= |
64(-72(14)-1176) |
-112(1344-96) |
= |
64(-1008-1176) |
-112(1248) |
= |
64(-2184) |
-139776 |
= |
-139776 |
= |
www.educa.mx |
| Ejercicio 300 | ||
-45(15 x+120) |
= |
225(-105 x-1146) |
-675 x-5400 |
= |
-23625 x-257850 |
-675 x+23625 x |
= |
-257850+5400 |
22950x |
= |
-252450 |
x |
= |
-252450 / 22950 |
x |
= |
-11 |
Comprobación |
-45(15 x+120) |
= |
225(-105 x-1146) |
-45(15(-11)+120) |
= |
225(-105(-11)-1146) |
-45(-165+120) |
= |
225(1155-1146) |
-45(-45) |
= |
225(9) |
2025 |
= |
2025 |
= |
www.educa.mx |