Question

Find the ordered-pair solution of y = -x + 7 corresponding to x = -8

Answer 1

(-8, 15)

Explanation:

Start by solving for y:

y=-x+7

Substitute -8 for x

y=-(-8)+7

The two negatives make a positive giving us:

y=8+7=15

Therefore...

(x,y)=(-8,15)