Step-by-step explanation:
x - 2y = -4
x = 2y - 4
2y - 4 - 2y = -4
2y - 2y = 0
0 = 0
y = 0
x = 2 × 0 - 4
x = 0 - 4
x = -4
Answer:
(x-2y=-4)
(x=2y-4)
(2x+y=-8)
-y+8=2x
x=4-.5
