SOLUTION: xy=8 y=1/2X-2 substitute or eliminate to isolate one variable

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Question 1071867: xy=8
y=1/2X-2
substitute or eliminate to isolate one variable
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
xy=8
y=1/(2X-2)
x/(2x-2)=8; note, I am assuming this is the right formula given above and not (1/2)x-2
multiply by 2x-2
x=16x-16
-15x=-16
x=(16/15)
y=1/[(32-30/15]=1/(2/15)
=15/2
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(16/15)(15/2)=8