the answer is x=2 hope this helps :)
4x + 2[4 - 2(x + 2) ] = 2x - 4
4x + 2[4 - 2x - 4 ] = 2x - 4
4x + 2[-2x] = 2x - 4
4x - 4x = 2x - 4
0 = 2x - 4
2x = 4
x = 2
