Question

use the elimination method to solve the system of equations.
-x+y=7
x+y=3

Answer 1

Add the two equations. That will eliminate x. Solve the resulting equation for y

Answer 2

2y=10 @Mertsj

Answer 3

Divide both sides by 2

Answer 4

5 @Mertsj

Answer 5

y=5. Now use substitution to find x

Answer 6

-x+y=7
5*y=7
y=2 @Mertsj