Which of the following is NOT an integer solution to x+y=5x + y = 5x+y=5?
(2.5,2.5)(2.5, 2.5)(2.5,2.5)
(1,4)(1, 4)(1,4)
(0,5)(0, 5)(0,5)
(6,−1)(6, -1)(6,−1)