Упростите:31x+18-13x+14 , 87y+18x+14+ 32x+12y-7, 34x+83-12y+1052.

Question

Упростите:31x+18-13x+14 , 87y+18x+14+ 32x+12y-7, 34x+83-12y+1052.

Comments

В первом примере+144

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а не 14

Answer 1

31х + 18 - 13х + 144 = 18х + 162
87у + 18х + 14 + 32х + 12у - 7 = 99у + 50х + 7
34х + 83 - 12у + 1052 = 34х - 12у + 1135

Answer 2

31х+18-13х+14=18х+32
87у+18х+14+32х+12у-7=99у+50х+7
34х+83-12у+1052=34х-12у+1135

Comments

31х+18-13х+144=18х+162