Question

Add the equations.
3x - y = -1
- 3x + 3y= 27

Answer 1

Explanation:

3x - 3x -y + 3y = 27-1

2y = 26

y = 13 use this to find the value of x

3x - 13 = -1

3x = -1 + 13

3x = 12

x = 4