Question

How do you solve y=3x−8,y=−x by graphing?

Answer 1

y = 3x - 8

put -x on place y,

-x = 3x - 8

4x = 8

X= 2, y = -2

Answer 2

y=3x-8

y=-x

-x=3x-8

(-x)-3x=-8

-4x=-8

x=-8/-4

x=2

y=-2