Question

Solve for x and y by substituting
2x-2y=-14
3x+y=-13

Answer 1

x = -5

y = 2

Explanation:

3x + y = -13

Subtract 3x from both sides to get y by itself:

y = -13 - 3x

2x - 2(-13 - 3x) = -14

2x + 26 + 6x = -14

8x + 26 = -14

8x = -40

x = -5

3(-5) + y = -13

-15 + y = -13

y = 2