Question

Which ordered pair is the solution to the system of equations?

Answer 1

2x+y=-8
x-y=-4 
+------------
3x= -12
x= -4

x-y= -4
-4 -y= -4
y=0

This questin answer is  D(-4,0)

Hope this helps :))

Answer 2

$2x+y=-8\\ x-y=-4\\ ------\\ 3x=-12\\ x=-4\\\\ -4-y=-4\\ -y=0\\ y=0\\\\ (-4,0) \Rightarrow D$