document.write( "Question 347893: P=a+b+c solve for b \n" ); document.write( "
Algebra.Com's Answer #248761 by nerdybill(7384)\"\" \"About 
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P=a+b+c solve for b
\n" ); document.write( ".
\n" ); document.write( "Starting with:
\n" ); document.write( "P=a+b+c
\n" ); document.write( "subtract 'a' from both sides:
\n" ); document.write( "P-a=a+b+c-a
\n" ); document.write( "P-a=b+c
\n" ); document.write( "subtract 'c' from both sides:
\n" ); document.write( "P-a-c=b+c-c
\n" ); document.write( "P-a-c=b
\n" ); document.write( "
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