document.write( "Question 164774: 3n over 4 - 1 over 3 = 2n-1 over 6
\n" ); document.write( "multiplied each fraction by 12 and cancelled denominators to get whole numbers
\n" ); document.write( "then got n=2 over 5
\n" ); document.write( "but when I checked answer and substituted n for 2 over 5, i didnt get an equal answer \n" ); document.write( "
Algebra.Com's Answer #121431 by Edwin McCravy(20054)\"\" \"About 
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3n over 4 - 1 over 3 = 2n-1 over 6
\n" ); document.write( "multiplied each fraction by 12 and cancelled denominators to get whole numbers
\n" ); document.write( "then got n=2 over 5
\n" ); document.write( "but when I checked answer and substituted n for 2 over 5, i didnt get an equal answer
\n" ); document.write( "
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document.write( "You solve it right but checked it wrong.\r\n" );
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document.write( "\"3n%2F4-1%2F3=%282n-1%29%2F6\"\r\n" );
document.write( "\r\n" );
document.write( "Put parentheses around every term\r\n" );
document.write( "\r\n" );
document.write( "\"%283n%2F4%29-%281%2F3%29=%28%282n-1%29%2F6%29\"\r\n" );
document.write( "\r\n" );
document.write( "Multiply every term by \"%2812%2F1%29\"\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\"%2812%2F1%29%283n%2F4%29-%2812%2F1%29%281%2F3%29=%2812%2F1%29%28%282n-1%29%2F6%29\"\r\n" );
document.write( "\r\n" );
document.write( "Cancel:\r\n" );
document.write( "\r\n" );
document.write( "  3           4          2\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\"9n-4=2%282n-1%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"9n-4=4n-2\"\r\n" );
document.write( "\r\n" );
document.write( "\"5n=2\"\r\n" );
document.write( "\r\n" );
document.write( "\"n=2%2F5\"\r\n" );
document.write( "\r\n" );
document.write( "Checking:\r\n" );
document.write( "\r\n" );
document.write( "\"%283n%2F4%29-%281%2F3%29=%28%282n-1%29%2F6%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"%283%282%2F5%29%2F4%29-%281%2F3%29=%28%282%282%2F5%29-1%29%2F6%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"%28%286%2F5%29%2F4%29-%281%2F3%29=%28%284%2F5-1%29%2F6%29%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"%286%2F5%29%281%2F4%29-%281%2F3%29=%28%284%2F5-5%2F5%29%2F6%29%29\"\r\n" );
document.write( "\r\n" );
document.write( "  3\r\n" );
document.write( "\"%28cross%286%29%2F5%29%281%2Fcross%284%29%29-%281%2F3%29=%28%28-1%2F5%29%2F6%29%29\"\r\n" );
document.write( "       2         \r\n" );
document.write( "\r\n" );
document.write( "\"%283%2F10%29-%281%2F3%29=%28-1%2F5%29%281%2F6%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"3%2F10+-+1%2F3=-1%2F30\"\r\n" );
document.write( "\r\n" );
document.write( "\"9%2F30+-+10%2F30+=+-1%2F30\"\r\n" );
document.write( "\"-1%2F30+=+-1%2F30\"\r\n" );
document.write( "\r\n" );
document.write( "Edwin
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