document.write( "Question 54913: Can someone help me on this?\r
\n" ); document.write( "\n" ); document.write( " I need to solve: 3x/7 - 5x/3 = 2/21\r
\n" ); document.write( "\n" ); document.write( " Thanks,
\n" ); document.write( " Adriana
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Algebra.Com's Answer #37097 by rapaljer(4671)\"\" \"About 
You can put this solution on YOUR website!
Multiply both sides by the LCD, which is 21:
\n" ); document.write( "\"+3x%2F7+-+5x%2F3+=+2%2F21\"\r
\n" ); document.write( "\n" ); document.write( "\"21%2A%28+3x%2F7%29+-+21%2A%285x%2F3%29+=+21%2A%282%2F21%29\"\r
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\n" ); document.write( "\n" ); document.write( "The nice thing is that ALL the denominators divide out:
\n" ); document.write( "\"+3%2A3x+-+7%2A5x+=+2\"
\n" ); document.write( "\"9x+-35x+=+2\"\r
\n" ); document.write( "\n" ); document.write( "\"-26x=2\"\r
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\n" ); document.write( "\n" ); document.write( "Divide both sides by -26:
\n" ); document.write( "\"%28-26x%29%2F%28-26%29+=+2%2F%28-26%29+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x=-1%2F13\"\r
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\n" ); document.write( "\n" ); document.write( "Sometimes life comes out even, sometimes it does not. In this case it looks like it does NOT!\r
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\n" ); document.write( "\n" ); document.write( "R^2 at SCC
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