-7(x+2)+4= -3x
-7x - 14 +4 = -3x
-7x + 3x = 14 - 4
-4x = 10
x = 10/-4
x = -5/2
2x+1 / 1 - 2x = 2/3
3 (2x+1) = 2 (1 -2x)
6x + 3 = 2 -4x
6x + 4x = 2 - 3
10x = -1
x = -1/10
