document.write( "Question 67473: How would you rewrite the formula A=1/2(b1+b2)h to find b2? \n" ); document.write( "
Algebra.Com's Answer #48035 by Edwin McCravy(20056)\"\" \"About 
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How would you rewrite the formula A=1/2(b1+b2)h to find b2?\r\n" );
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document.write( "               1\r\n" );
document.write( "          A = ---(b1 + b2)\r\n" );
document.write( "               2\r\n" );
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document.write( "Multiply both sides of the equation by 2 to clear of fractions:\r\n" );
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document.write( "                 1 \r\n" );
document.write( "        2·A = 2·---(b1 + b2)h\r\n" );
document.write( "                 2\r\n" );
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document.write( "Cancel the 2's on the right\r\n" );
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document.write( "              1  1 \r\n" );
document.write( "        2·A = 2·---(b1 + b2)h\r\n" );
document.write( "                 2\r\n" );
document.write( "                  1\r\n" );
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document.write( "         2A = (b1 + b2)h\r\n" );
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document.write( "Since mosdt people like to distribute\r\n" );
document.write( "with the outer multiplier on the left\r\n" );
document.write( "so we rewrite the right side:\r\n" );
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document.write( "         2A = h(b1 + b2)\r\n" );
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document.write( "         2A = hb1 + hb2\r\n" );
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document.write( "Isolate the term in b2 by subtracting \r\n" );
document.write( "hb1 from both sides.\r\n" );
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document.write( "   2A - hb1 = hb2\r\n" );
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document.write( "Divide both sides by h\r\n" );
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document.write( "  2A - hb1\r\n" );
document.write( " ---------- = b2\r\n" );
document.write( "     h \r\n" );
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document.write( "Edwin
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