Respuesta :
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.
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)