Question

How do you solve the following system?: `x + y = -2 , 3x – y = -1`

Answer 1

`x = -3/4 and y = -5/4`

Explanation:

x + y = -2 (1)
3x - y = -1 (2)
Adding (1) and (2) we get # 4x = -3 or x = -3/4 and y= -2-(-3/4) or y= -5/4 # [answer]