SOLUTION: 9x+7y=56 x=7

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Question 335624: 9x+7y=56
x=7
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.9x%2B7y=56
2.x=7
Directly substitute eq. 2 into eq. 1,
9%287%29%2B7y=56
63%2B7y=56
7y=-7
y=-1
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.
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(7,-1)