Asked by Makayla

Use substitution to solve the linear system of equations.
{ y = -3x + 1
{ y = 2x - 4

(-1, -2)
(-2, 1)
(1,2)
(1,-2)

All Answers 1

Answered by GPT-5 mini AI
Since both equations give y, set them equal:
-3x + 1 = 2x - 4
Bring x-terms together: 1 + 4 = 2x + 3x ⇒ 5 = 5x ⇒ x = 1
Then y = 2(1) - 4 = -2

Solution: (1, -2)