document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=234066>Question 234066</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve by the substitution method<BR>\n" );
document.write( "4m+n=17<BR>\n" );
document.write( "m-2n=20 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #172639 by </B><A HREF=/tutors/aboutme.mpl?userid=rfer><B>rfer(16322)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rfer><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=172639\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> m-2n=20<BR>\n" );
document.write( "m=2n+20<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "4m+n=17<BR>\n" );
document.write( "4(2n+20)+n=17<BR>\n" );
document.write( "8n+80+n=17<BR>\n" );
document.write( "9n=-63<BR>\n" );
document.write( "n=-7<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "m-2(-7)=20<BR>\n" );
document.write( "m+14=20<BR>\n" );
document.write( "m=6<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "4(6)-7=17 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );