document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=700198>Question 700198</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve by substitution:<BR>\n" );
document.write( "x+3y=12<BR>\n" );
document.write( "4x+12y=48 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #431741 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=431741\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve by substitution:<BR>\n" );
document.write( "x+3y=12<BR>\n" );
document.write( "4x+12y=48<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "the 2nd eqn is 4x the 1st<BR>\n" );
document.write( "--> dependent<BR>\n" );
document.write( "--> parallel lines --> infinite # of solutions<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );