Question

-8x-4y=-68 x+3y=16

Answer 1

-8x-4y=-68
Divide both sides by 4
-2x - 1 = -17 --(1)
x+3y=16 --(2)

(2) x 2 + (1):
2(x+3y) + (-2x - 1) = 2(16) + (-17) <- solve to get x

Then, sub x into (2) to find y. Can you do it?