Question

Solve the following system of equations by elimination: 2x + y = -1 3x - y = -9​

Answer 1

x = -2, y = 3

Explanation:

2x + y = -1

3x - y = -9​

2x + y + 3x - y = -1-9

5x = -10

x = -2

2(-2) + y =-1

-4 + y = -1

y = 3