Question

Solve the system of equations by the substitution method.

x−2y=−4 x+8y=16

Answer 1

x=0, y=2

Explanation:

x-2y=-4

-x+8y=16

-10y=-20

y=2

x-2y=-4

x-2(2)=-4

x-4=-4

x=-4+4

x=0