Question

Solve by substitution x-y=2, y=4-2x

Answer 1

(2,0)

Explanation:

x-y=2, y=4-2x

1. rearrange the first equation

x-y=2 write the equation

(x-)x-y=2(-x) subtract x from both sides

-y=2-x write the equation

divide both sides by -y

y=-2+x

2. graph the equations and get (2,0)