document.write( "Question 802113: I need help : 3 over 4 = a+5 over 21 \n" ); document.write( "
Algebra.Com's Answer #483783 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
3/4=a+5/21
\n" ); document.write( "3/4-5/21=a
\n" ); document.write( "a=63/84-20/84
\n" ); document.write( "a=43/84
\n" ); document.write( "
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