Question

What is the x-coordinate of the solution to the following system of equations?

x − 2y = 2
3x + y = 6

x = −2

x = 0

x = 2

x = 3

Answer 1

x = 2

Explanation:

x = 2y + 2

3(2y+2) + y = 6

6y + 6 + y = 6

7y = 6 -6

7y = 0

7/7 y = 0/7

y = 0

x = 0 + 2

x = 2