Respuesta :

annie413

Answer:

x=-4

y=4

Step-by-step explanation:

Isolate a variable and plug into the other equation. Then solve for the variable and plug into one of the original equations.

meredith48034

Answer:

Step-by-step explanation:

x-2y=-12

-x+4y=20

2y= 8

y =4

x - 2(4) = -12

x - 8 = -12

x = -4

(-4, 4)