egormarincev06

1)7х-5х=6-14

2х=-8

х=-4

2)3х-7х=24+8

-4х=32

х=-8

3)6х-36=4х+4

6х-4х=4+36

2х=40

х=20

4)10-4х=7-5х

5х-4х=7-10

х=-3

5)9х+18=6х-12

9х-6х=-12-18

3х=-30

х=-10