document.write( "Question 65562: OK, I am not a student, but I have recently been asked to find an answer for this equation by a friend. Everything I can do, or find on line, says that if the values are different numbers, there is no viable solution. Please help me with this.\r
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document.write( " X*Y = X+Y\r
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document.write( "What are the values of X and Y? Or is there no actual answer? Thank you. \n" );
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Algebra.Com's Answer #46138 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! X*Y = X+Y \n" ); document.write( "What are the values of X and Y? \n" ); document.write( "--------------- \n" ); document.write( "xy=x+y \n" ); document.write( "x+y-xy=0 \n" ); document.write( "y-xy=-x \n" ); document.write( "y(1-x)=-x \n" ); document.write( "y=-x/(1-x) \n" ); document.write( "---------- \n" ); document.write( "x may take on any value except x=1 \n" ); document.write( "---- \n" ); document.write( "For example: \n" ); document.write( "If x=3, then y=-3/-2=3/2 \n" ); document.write( "So the pair x=3, y=3/2 are two different numbers that \n" ); document.write( "satisfy the equation. \n" ); document.write( "There are an infinite number of solutions to your question. \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |