document.write( "Question 638448: Make a the subject formula: 1/c=1/a-1/b\r
\n" ); document.write( "\n" ); document.write( "Thanks,
\n" ); document.write( "Dom.
\n" ); document.write( "

Algebra.Com's Answer #402228 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Make a the subject formula: 1/c=1/a-1/b
\n" ); document.write( "1/a = 1/c + 1/b
\n" ); document.write( "1/a = (b+c)/bc
\n" ); document.write( "a = bc/(b+c)
\n" ); document.write( "
\n" ); document.write( "
\n" );