SOLUTION: xy=9 x-8y=-6

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Question 1041122: xy=9
x-8y=-6

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
From eq. 2,
x=8y-6
Substitute into eq. 1,
%288y-6%29y=9
8y%5E2-6y-9=0
%282y-3%29%284y%2B3%29=0
Two solutions:
2y-3=0
2y=3
y=3%2F2
Then,
x%283%2F2%29=9
x=6
and
4y%2B3=0
4y=-3
y=-3%2F4
Then,
x%28-3%2F4%29=9
x=-12
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