Question

What is the solution to this system of linear equations? 2x + y = 1 3x – y = –6 (–1, 3) (1, –1) (2, 3) (5, 0)4

Answer 1

(-1, 3)

Explanation:

2x + y = 1 ⇒ y = 1 - 2x

3x - y = -6

3x - (1 - 2x) = -6

3x - 1 + 2x = -6

+1 +1

5x = -5

÷5 ÷5

x = -1

y = 1 - 2(-1) = 1 + 2 = 3