Which pair (x,y)(x, y)(x,y) satisfies 2x+y=52x + y = 52x+y=5 and x−y=1x - y = 1x−y=1?
(2,1)(2, 1)(2,1)
(1,3)(1, 3)(1,3)
(3,2)(3, 2)(3,2)
(2,2)(2, 2)(2,2)