What should you substitute for x in the bottom equation to solve the system by the substitution method?

A. x=2y-8

B. x=-2y-8

C. x=-2y+8

D. x=2y+8

What should you substitute for x in the bottom equation to solve the system by the substitution method A x2y8 B x2y8 C x2y8 D x2y8 class=