document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=155787>Question 155787</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395937779/algebrahomeworkh>Mc Dougal Littell Geometry</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> LM = 7y + 9<BR>\n" );
document.write( "MN = 3y + 4<BR>\n" );
document.write( "LN = 143 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #114740 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=114740\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> lm+mn=ln<BR>\n" );
document.write( "7y+9+3y+4=143<BR>\n" );
document.write( "10y+13=143<BR>\n" );
document.write( "10y=143-13<BR>\n" );
document.write( "10y=130<BR>\n" );
document.write( "y=130/10<BR>\n" );
document.write( "y=13 answer.<BR>\n" );
document.write( "proof<BR>\n" );
document.write( "7*13+9+3*13+4=143<BR>\n" );
document.write( "91+9+39+4=143<BR>\n" );
document.write( "143=143\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );