document.write( "Question 780526: simplify x+8/x+7 - x-4/x+9 \n" ); document.write( "
Algebra.Com's Answer #475618 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
8/x+7-4/x+9
\n" ); document.write( "4/x+16
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