3x + y = 4
2x + y = 4
(Points : 4)
A(1, 7)
B(0, 4)
C(3, 12)
D(3, 13)
2x + y = 4
(Points : 4)
A(1, 7)
B(0, 4)
C(3, 12)
D(3, 13)