Question

For the following system, use the second equation to make a substitution for x in the first equation.

x + 5y - 10 = 0
x = 2y - 8

What is the resulting equation in simplest form?

-3y - 18 = 0
3y - 18 = 0
7y - 18 = 0

Answer 1

The correct answer is going to be C.