Solve: x=y+2x = y + 2x=y+2 and 2x−y=62x - y = 62x−y=6.
(4,2)(4, 2)(4,2)
(2,4)(2, 4)(2,4)
(6,4)(6, 4)(6,4)
(3,1)(3, 1)(3,1)