document.write( "Question 164167: A=1/2h(a+b) solve for b \n" ); document.write( "
Algebra.Com's Answer #120965 by ankor@dixie-net.com(22740)\"\" \"About 
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A=1/2h(a+b) solve for b
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\n" ); document.write( "\"1%2F2\"*h(a+b) = A
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\n" ); document.write( "multiply equation by 2, results:
\n" ); document.write( "h(a+b) = 2A
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\n" ); document.write( "Divide both sides by h; results:
\n" ); document.write( "a + b = \"%282A%29%2Fh\"
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\n" ); document.write( "Subtract a from both sides; results
\n" ); document.write( "b = \"%282A%29%2Fh\" - a
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