document.write( "Question 582272: A CERTAIN NUMBER IS ADDED TO THE NUMERATOR AND SUBTRACTED FROM THE DENOMINATOR OF 5/8. THE NEW FRACTION EQUALS THE RECIPROCAL OF 5/8.FIND THE NUMBER......PLEASE HELP \n" ); document.write( "
Algebra.Com's Answer #372020 by mananth(16946)\"\" \"About 
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\"%285%2Bx%29%2F%288-x%29=8%2F5\"\r
\n" ); document.write( "\n" ); document.write( "cross multiply\r
\n" ); document.write( "\n" ); document.write( "5(5+x)=8(8-x)\r
\n" ); document.write( "\n" ); document.write( "25+5x=64-8x
\n" ); document.write( "5x+8x=64-25\r
\n" ); document.write( "\n" ); document.write( "13x=39
\n" ); document.write( "/13
\n" ); document.write( "x= 3 \r
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