Question

When using substitution method to solve the following system of equations, what is the result of the first step ? x +2y=5 y=6x+3

Answer 1

ANSWER The answer is x = 3

Answer 2

x=3

Explanation:

Sub y=x-1 into 2x+y=8.

You will get 2x+x-1=8.

Simplify 3x-1=8

Solve 3x=9

x=3