15х + 10 = 6х - 8
15х - 6х = - 8 - 10
9х = - 18
х = - 2
- 2 ( х - 4) = 3 + 7х
- 2х + 8 = 3 + 7х
- 2х - 7х = 3 - 8
- 9х = - 5
х = 5 / 9
26х - 6 = 8х - 42
26х - 8х = - 42 + 6
18 х = - 36
15х + 10 = 6х - 8
15х - 6х = - 8 - 10
9х = - 18
х = - 2
- 2 ( х - 4) = 3 + 7х
- 2х + 8 = 3 + 7х
- 2х - 7х = 3 - 8
- 9х = - 5
х = 5 / 9
26х - 6 = 8х - 42
26х - 8х = - 42 + 6
18 х = - 36
х = - 2