Question

solve: y= -5
x= y + 3
what is the pair (_,_)

Answer 1

We are given $y=-5$.  Substituting, $x=y+3=-5+3=-2$.

Thus, our ordered pair $(x, y)$ is $(-2, -5)$.

Answer 2

So x=(-5)+3
Take -3 to x to make x-3=-5 
now what's -5+3
That's the answer