Question

Solve the following system of equations
-7x-8y=-3
-3x-7y=-12

Answer 1

Explanation:

1) -7x-8y=-3

-7x-8y=-3: -
`(-3+7x)/(8)`

2) -3x-7y=-12

-3x-7y=-12: y=
`(-12+3x)/(7)`