document.write( "Question 206103: 18. What is the reciprocal of 2/x + 7/x+1. \n" ); document.write( "

Algebra.Com's Answer #155712 by Marth(57) $\"\"$ $\"About$

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The reciprocal of $\"2%2F%28%28x%2B7%29%2F%28x%2B1%29%29\"$
\n" ); document.write( "Start by simplifying it.
\n" ); document.write( " $\"2%2F%28x%2B7%29%2F%28x%2B1%29\"$ = $\"2%2A%28%28x%2B1%29%2F%28x%2B7%29%29\"$
\n" ); document.write( "= $\"2%28x%2B1%29%2F%28x%2B7%29\"$
\n" ); document.write( "Now taking the reciprocal is easier.
\n" ); document.write( "The reciprocal is $\"1%2F%282%28x%2B1%29%2F%28x%2B7%29%29\"$
\n" ); document.write( "= $\"1%2A%28x%2B7%29%2F%282%28x%2B1%29%29\"$ = $\"%28x%2B7%29%2F%282%28x%2B1%29%29\"$ \n" ); document.write( "

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