Which equation has solution x = -3?
A2x - 7 = -1
B3x + 8 = -1
C1/2x + 8 = 10
D1/2(2x-6) = -6
A2x - 7 = -1
B3x + 8 = -1
C1/2x + 8 = 10
D1/2(2x-6) = -6