Solve for x: |3x + 12| = 18
A.x = 2, x = –10
B.x = 2, x = –2
C.x = 10, x = –10
D.x = –2, x = 10
A.x = 2, x = –10
B.x = 2, x = –2
C.x = 10, x = –10
D.x = –2, x = 10