document.write( "Question 570823: 1/x-8/21=3/7x \n" ); document.write( "

Algebra.Com's Answer #367789 by mananth(16946) $\"\"$ $\"About$

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$\"%281%2Fx%29-%288%2F21%29=%283%2F7x%29\"$ \r
\n" ); document.write( "\n" ); document.write( "Add 8/21 to both sides of the equation\r
\n" ); document.write( "\n" ); document.write( " $\"%281%2Fx%29=%283%2F7x%29%2B%288%2F21%29\"$ \r
\n" ); document.write( "\n" ); document.write( "add -(3/7x) to both sides\r
\n" ); document.write( "\n" ); document.write( " $\"%281%2Fx%29-%283%2F7x%29=8%2F21\"$ \r
\n" ); document.write( "\n" ); document.write( "LCD = 7x\r
\n" ); document.write( "\n" ); document.write( "7-3=7x*8/21\r
\n" ); document.write( "\n" ); document.write( "4=56x/21\r
\n" ); document.write( "\n" ); document.write( "multiply by 21
\n" ); document.write( "84= 56x
\n" ); document.write( "/56
\n" ); document.write( "x=3/2\r
\n" ); document.write( "\n" ); document.write( "m.ananth@hotmail.ca\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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