document.write( "Question 864874: 1/b + 1/(b - 4) = (b -3)/(b - 4) \n" ); document.write( "

Algebra.Com's Answer #521332 by mananth(16946) $\"\"$ $\"About$

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$\"1%2Fb+%2B+1%2F%28b+-+4%29+=+%28b+-3%29%2F%28b+-+4%29\"$ \r
\n" ); document.write( "\n" ); document.write( "multiply equation by b(b-4)\r
\n" ); document.write( "\n" ); document.write( " $\"%28b-4%29%2Bb=b%28b-3%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"b-4%2Bb=b%5E2-3b\"$ \r
\n" ); document.write( "\n" ); document.write( "2b-4=b^2-3b\r
\n" ); document.write( "\n" ); document.write( "b^2-5b+4=0\r
\n" ); document.write( "\n" ); document.write( "b^2-4b-b+4=0\r
\n" ); document.write( "\n" ); document.write( "b(b-4)-1(b-4)=0\r
\n" ); document.write( "\n" ); document.write( "(b-1)(b-4)=0\r
\n" ); document.write( "\n" ); document.write( "b=1 \r
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