Question

Solve each system by elimination.
-7x+9y=16
7x-8y=-8

Answer 1

x=8, y=8. (8, 8).

Explanation:

-7x+9y=16

7x-8y=-8

----------------

y=8

7x-8(8)=-8

7x-64=-8

7x=-8+64

7x=56

x=56/7

x=8