document.write( "Question 1192852: The formula for the area of a trapezoid is A =1/2h(b, + b2). Express b1, in terms of A, h, and b2 \n" ); document.write( "
Algebra.Com's Answer #824769 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "\"A\"\"%22%22=%22%22\"\"expr%281%2F2%29h%28b%5B1%5D+%2B+b%5B2%5D%29\"\r\n" );
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document.write( "Clear the fraction by multiplying both sides by 2:\r\n" );
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document.write( "\"2%2AA\"\"%22%22=%22%22\"\"2%2Aexpr%281%2F2%29h%28b%5B1%5D+%2B+b%5B2%5D%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"2A\"\"%22%22=%22%22\"\"cross%282%29%2Aexpr%281%2Fcross%282%29%29h%28b%5B1%5D+%2B+b%5B2%5D%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"2A\"\"%22%22=%22%22\"\"h%28b%5B1%5D+%2B+b%5B2%5D%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"2A\"\"%22%22=%22%22\"\"h%2Ab%5B1%5D+%2B+h%2Ab%5B2%5D%29\"\r\n" );
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document.write( "\"2A-h%2Ab%5B2%5D\"\"%22%22=%22%22\"\"h%2Ab%5B1%5D\"\r\n" );
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document.write( "Multiply both sides by \"1%2Fh\":\r\n" );
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document.write( "\"expr%281%2Fh%29%282A-h%2Ab%5B2%5D%29\"\"%22%22=%22%22\"\"expr%281%2Fh%29h%2Ab%5B1%5D\"\r\n" );
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document.write( "\"expr%281%2Fh%29%282A-h%2Ab%5B2%5D%29\"\"%22%22=%22%22\"\"expr%281%2Fcross%28h%29%29cross%28h%29%2Ab%5B1%5D\"\r\n" );
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document.write( "\"expr%281%2Fh%29%282A-h%2Ab%5B2%5D%29\"\"%22%22=%22%22\"\"b%5B1%5D\"\r\n" );
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document.write( "\"b%5B1%5D\"\"%22%22=%22%22\"\"expr%281%2Fh%29%282A-h%2Ab%5B2%5D%29\"\r\n" );
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document.write( "Edwin
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