Question

30
Solve the system of equations.
x + 2y = -3
x - y = -12

Answer 1

x= - 9 y = 3

Explanation:

x + 2y = -3

- (x - y = - 12)

x - x +2y + y = - 3 + 12

3y = 9

y = 3

x- y = - 12

x - 3 = - 12

x= - 9