document.write( "Question 644233: 1 over x - 1 over y
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\n" ); document.write( "\n" ); document.write( "That's the origional problem. I go the answer (x-y)over (x+y) But that's wrong. Can you help me out?
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Algebra.Com's Answer #404900 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!
\"%281%2Fx+-+1%2Fy%29%2F%281%2Fx+%2B+1%2Fy%29\" \r
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\n" ); document.write( "\n" ); document.write( "\"%28%281%2Ay+-+1%2Ax%29%2Fxy%29%2F%28%281%2Ay+%2B+1%2Ax%29%2Fxy%29\" \r
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\n" ); document.write( "\n" ); document.write( "\"%28%28y+-+x%29%2Fcross%28xy%29%29%2F%28%28y+%2B+x%29%2Fcross%28xy%29%29\" \r
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\n" ); document.write( "\n" ); document.write( "\"%28y+-+x%29%2F%28y+%2B+x%29\" .....that is different than your result \"%28x-y%29%2F%28x%2By%29\" \r
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\n" ); document.write( "\n" ); document.write( "all you can do now is to rearrange terms\r
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\n" ); document.write( "\n" ); document.write( "\"%28-x%2By%29%2F%28x+%2B+y%29\" \r
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\n" ); document.write( "\n" ); document.write( "\"-%28x-y%29%2F%28x+%2B+y%29\" \r
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