i. e. by 4

Removing brackets, 2 x - 2 + 3 = 4 x - 8

i.e. 2 x + 1 = 4 x - 8

Moving 2 x to the right and - 8 to the left side,

4 + 8 = 4 x - 2 x

9 = 2 x

i. e. 2 x = 9