Question

how do i find ordered pairs for x+y=-2 with x=-7,-2,7

Answer 1

plug in the Xs in the equation and solve it and for each y with the x makes a coordinate

Answer 2

for example, if x=3 was one of the ones to do (it isn't), you would do

x+y=-2
3+y=-2
y=-2-3=-5
(3,-5)