SOLUTION: please solve {4x-4y=-16 {x-2y=-12 by using substitution. please express answer as an ordered pair

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Question 336545: please solve {4x-4y=-16 {x-2y=-12 by using substitution. please express answer as an ordered pair
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.4x-4y=-16
2.x-2y=-12
From eq. 2,
x=2y-12
Substitute into eq. 1,
4%282y-12%29-4y=-16
8y-48-4y=-16
4y=32
highlight%28y=8%29
Then from eq. 2,
x=2%288%29-12
highlight%28x=4%29