2x - 2y = 6
3x + 2y = 9
Ax = 0, y = 3
Bx = 3, y = 0
Cx = 1, y = -2
Dx = -2, y = 1
3x + 2y = 9
Ax = 0, y = 3
Bx = 3, y = 0
Cx = 1, y = -2
Dx = -2, y = 1