Respuesta :

Answer:

Equation Form :  x=-3   y =0      

Answer:

x = -3

y = 0

Step-by-step explanation:

4x - y = -12

-x - y = 3

__________--

5x = -15

x = -15/5

x = -3

-x - y = 3

-(-3) - y = 3

3 - y = 3

-y = 3 - 3

y = 0