Question

Which is a solution of the equation? 2x + y = 5 (2, –1) (1, 2) (3, –1) 5

Answer 1

The answer is (3, -1) because you have to move the 2x over so the equation becomes y=-2x +5, when you plug 3 in for x you get -2(3) +5= -1... (3,-1)

Answer 2

The solution of this question is (2,-1).