Question

What is the value of x in the solution to this system of linear equations?

Use substitution.
y = -3x + 3
- 2x + 2y = 6

Answer 1

Explanation:

y = -3x + 3

-2x + 2y = 6

-2x + 2(-3x + 3) = 6

-2x - 6x + 6 = 6

-8x + 6 = 6

-8x = 0

x = 0

y = -3(0) + 3

y = 0+ 3

y = 3

(0, 3)