х -2(х + 1) = 3(2х - 2) + 5
х -2х - 2 = 6х - 6 + 5
х - 2х - 6х = -6 + 5 + 2
-7х = 1
х = 1 : (-7)
х = -1/7
3(2х + 4) - (х-2) = 35+(х-6)
6х + 12 - х + 2 = 35 + х - 6
6х - х - х = 35 - 6 - 12- 2
4х = 15
х = 15/4
х = 3 3/4
