document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=302035>Question 302035</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sorry if this isn't the right topic.... this is from an accuplacer practice test.  I know the answer is 11z-20 over z(z-5) but don't understand how to work it.  Here's the problem: 4/z plus 7/z-5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #216576 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=216576\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4/z plus 7/z-5<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "least common denominator: z(z-5)<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "Rewrite each fraction with the lcd as its denominator:<BR>\n" );
document.write( "(4(z-5))/lcd + (7z)/lcd<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Combine the numerators over the lcd:<BR>\n" );
document.write( "[4z-20+7z)/lcd<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Simplify:<BR>\n" );
document.write( "(11z-20)/[z(z-5)]<BR>\n" );
document.write( "========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "======================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );