Verified answer

1) х= 4/3

2) -16х + 112 = -48

-16х = -160

х = -10

3) 35 - х - 3х - 12 = 63

23 - 4х = 63

-4х = 40

х = -10

4) х= - 0,6

5) х = - 3/2

6) 12х+60 = -24

12х = -84

х = -7

7) 18 - 3х - 2х + 10 = 63

28-5х = 63

-5х = 35

х = -7