Solve the system: 3x+y=53x + y = 53x+y=5 and x+y=3x + y = 3x+y=3.
(1,2)(1, 2)(1,2)
(2,1)(2, 1)(2,1)
(0,5)(0, 5)(0,5)
(1.5,1.5)(1.5, 1.5)(1.5,1.5)