Question

Y + 1 = -2x
4y+8x= -4
Use substitution to solve the system of equations?

Answer 1

Y + 1 = -2x

Y = -2x - 1

4(-2x-1) + 8x = -4

-8x-4+8x=-4

All I get left with is:
-4 = -4

Not totally sure if this is correct or the answer that you are looking for.