Question

1)3х+7=2х-2
2)-5(х-2)=-7х​

Answer 1

1) 3х+7=2х-2

3х-2х=-2-7

х=-9

2)-5(х-2)=-7х

-5х+10=-7х

-5х+7х=-10

2х=-10

×=-10:2

х=-5

Answer 2

3х + 7 = 2х - 2

3х - 2х = - 7 - 2

х = -9

Ответ: -9

- 5 (х - 2) = - 7х

- 5х + 10 = - 7х

10 = - 7х + 5х

-2х = 10

х = -5

Ответ: -5