Question

Solve the system below:
10x + y = 22
2x + y = -2

Answer 1

The correct solution is 3,-8

Explanation:

Answer 2

3

Explanation:

10x + y = 22 A

2x + y = -2 B

A - B left A - left B = Right A - Right B

10x + y - (2x + y) = 22-(-2)

10x + y -2x -y = 22 + 2

8x = 24

x = 24/8

x = 3