document.write( "Question 630643: 1/B = 1/s + 1/t solve for t ????????????? \n" ); document.write( "

Algebra.Com's Answer #397074 by Edwin McCravy(20055) $\"\"$ $\"About$

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document.write( "The other tutor did not simplify the answer, but left\r\n" );
document.write( "fractions within a fraction.\r\n" );
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document.write( " =  +\r\n" );
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document.write( "Since none of the denominators have any common factors, the LCD\r\n" );
document.write( "is just their product B·s·t.  Write that as  and multiply\r\n" );
document.write( "every term by that\r\n" );
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document.write( "· = · +·\r\n" );
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document.write( "Cancel:\r\n" );
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document.write( "· = · +·\r\n" );
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document.write( "s·t = B·t + B·s\r\n" );
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document.write( "Get the terms that has t alone on one side.  So we subtract B·t\r\n" );
document.write( "from both sides\r\n" );
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document.write( "s·t - B·t = B·s\r\n" );
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document.write( "Next we factor out t on the left side\r\n" );
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document.write( "t·(s - B) = B·s\r\n" );
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document.write( "Now we divide both sides by (s - B)\r\n" );
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document.write( " = \r\n" );
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document.write( "Cancel the (s - B)'s on the left side:\r\n" );
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document.write( "t = \r\n" );
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document.write( "Edwin

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