Question

What is the x-coordinate of the solution to the system oflinear equations?x = 3y - 82x + 26 = y

Answer 1

x = 3y - 8

2x + 26 = y

Substituting the second equation into the first one:

x = 3(2x + 26) - 8

x = 3*2x + 3*26 - 8

x = 6x + 78 - 8

x - 6x = 70

-5x = 70

x = 70/(-5)

x = -14