document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1105880>Question 1105880</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1/AB = 1/BC - 1/CD solve for C </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #720776 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=720776\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1/AB = 1/BC - 1/CD solve for C<BR>\n" );
document.write( "=================<BR>\n" );
document.write( "1/AB = (1/C)*(1/B - 1/D) = (1/C)*((D-B)/BD)<BR>\n" );
document.write( "C/AB = (D-B)/BD<BR>\n" );
document.write( "C/A = (D-B)/D<BR>\n" );
document.write( "C = (AD-AB)/D<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );