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=](https://us-static.z-dn.net/files/d11/1f01903fde4aa1ae1c1893a3ebe448fc.png)