SOLUTION: what is the answer to this equation using substitution 3x+6y=48,-5x+6y=32

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Question 312104: what is the answer to this equation using substitution 3x+6y=48,-5x+6y=32
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
3x%2B6y=48
1.x%2B2y=16
2.-5x%2B6y=32
From eq. 1,
x%2B2y=16
-x=2y-16
-5x=10y-80
Substitute into eq. 2,
-5x%2B6y=32
10y-80%2B6y=32
16y=112
highlight%28y=7%29
Then from eq. 1,
-x=2y-16
-x=2%287%29-16
-x=-2
highlight%28x=2%29