document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=120940>Question 120940</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "s=n/2(a+L); for L   please show me how to solve this step by step.. thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #88759 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=88759\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> s=n/2(a+L)<BR>\n" );
document.write( "2s=n(a+L)<BR>\n" );
document.write( "2s=na+nL<BR>\n" );
document.write( "2s-na=nL<BR>\n" );
document.write( "(2s-na)/n=L<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );