document.write( "Question 1105539: If \"+1%2Fx-1%2Fy=1%2Fz+\", find a simplified expression for y. \n" ); document.write( "
Algebra.Com's Answer #720380 by Boreal(15235)\"\" \"About 
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1/x-1/y=1/z ; multiply by xyz
\n" ); document.write( "yz-xz=xy
\n" ); document.write( "put the y containing terms on the same side
\n" ); document.write( "yz-xy=xz
\n" ); document.write( "factor out the y
\n" ); document.write( "y(z-x)=xz
\n" ); document.write( "y=(xz)/(z-x)
\n" ); document.write( "if x=2, y=3 then z=6
\n" ); document.write( "3=12/4, checks.
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