4x = 16
-2 x + 2 = -4
-3x + 9 = 9
-2x = 2
-6x = 3
2x - 6 = 10
-3x + 6 = 0
-2x - 8 = 4x + 4
x = 4
x = 8
x = -0.5
x = 3
x = -1
x = 0
x = 2
x = - 2
