document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=408380>Question 408380</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x+y=4<BR>\n" );
document.write( "y=3x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #287720 by </B><A HREF=/tutors/aboutme.mpl?userid=cesardelrosario><B>cesardelrosario(3)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=cesardelrosario><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=cesardelrosario><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=287720\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solution:<BR>\n" );
document.write( "x+y=4      equation 1<BR>\n" );
document.write( "  y=3x     equation 2\r<BR>\n" );
document.write( "\n" );
document.write( "x+3x=4<BR>\n" );
document.write( "4x=4<BR>\n" );
document.write( "x = 4/4  <BR>\n" );
document.write( "x = 1 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );