Question

помогите пожалуйста 1) 9х – 1 = 8 х + 7
2) 4х – 6 = 2х + 12
3) 3х + 3 = 2х + 13

Answer 1

9х – 1 = 8 х + 7

9х-8х=7+1

х=8

4х – 6 = 2х + 12

4х-2х=12+6

2х=18

х=9

3х + 3 = 2х + 13

3х-2х=13-3

х=10

Answer 2

1)

9х-1=8х+7

9х-8х=7+1

х=8

2)

4х-6=2х+12

4х-2х=12+6

2х=18

х=9

3)

3х+3=2х+13

3х-2х=13-3

х=10