SOLUTION: Divide x-y/x+y by y-x/y+x with solutions

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Question 1063160: Divide x-y/x+y by y-x/y+x with solutions
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
I'll use substitutions to make it clearer,
A=x%2By
B=x-y
-B=y-x
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%28%28x-y%29%2F%28x%2By%29%29%2F%28%28y-x%29%2F%28y%2Bx%29%29=%28B%2FA%29%2F%28-B%2FA%29
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Dividing by a fraction is equivalent to multiplying by its reciprocal,
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%28%28x-y%29%2F%28x%2By%29%29%2F%28%28y-x%29%2F%28y%2Bx%29%29=%28B%2FA%29%2A%28-A%2FB%29
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%28%28x-y%29%2F%28x%2By%29%29%2F%28%28y-x%29%2F%28y%2Bx%29%29=-1