document.write( "Question 142028: make b the subject of the formula a=(8b+5)/(4-3b) \n" ); document.write( "
Algebra.Com's Answer #103420 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "\"a=%288b%2B5%29%2F%284-3b%29\"\r\n" );
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document.write( "Clear of fractions:\r\n" );
document.write( "Multiply both sides by \"%284-3b%29\"}:\r\n" );
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document.write( "\"a%284-3b%29=%288b%2B5%29%2F%284-3b%29\"\"%284-3b%29\"\r\n" );
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document.write( "Cancel:\r\n" );
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document.write( "\"a%284-3b%29=%288b%2B5%29%2Fcross%284-3b%29\"\"cross%28%284-3b%29%29\"\r\n" );
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document.write( "Multiply the left side out (distribute):\r\n" );
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document.write( "\"4a-3ab=8b%2B5\"\r\n" );
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document.write( "Isolate all terms in b on one side.  Choose\r\n" );
document.write( "the right side to  isolate them on since all terms \r\n" );
document.write( "in b will then be positive:\r\n" );
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document.write( "\"4a-5=8b%2B3ab\"\r\n" );
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document.write( "Factor out b on the right side:\r\n" );
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document.write( "\"4a-5=b%288%2B3a%29\"\r\n" );
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document.write( "Divide both sides by \"%288%2B3a%29\"\r\n" );
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document.write( "\"%284a-5%29%2F%288%2B3a%29=+%28b%288%2B3a%29%29%2F%288%2B3a%29\"\r\n" );
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document.write( "Cancel on the right:\r\n" );
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document.write( "\"%284a-5%29%2F%288%2B3a%29=+%28b%2Across%28%288%2B3a%29%29%29%2Fcross%28%288%2B3a%29%29\"\r\n" );
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document.write( "\"%284a-5%29%2F%288%2B3a%29=+b\"\r\n" );
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document.write( "That's it unless you want to switch sides of the\r\n" );
document.write( "equal sign:\r\n" );
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document.write( "\"b=%284a-5%29%2F%288%2B3a%29\"\r\n" );
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document.write( "Edwin
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