Respuesta :

Answer:

y=-4+2x

x=(4+y)/2

2x-y=4

i)x=1
4(1)-2y=8
-2y=8-4
-2y=4
y=-2

ii)x=2
4(2)-2y=8
8-2y=8
y=0

iii)x=3
4(3)-2y=8
12-2y=8
2y=12-8
2y=4
y=2

Hope it helps!
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