document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=3000>Question 3000</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How to solve linear systems in 4 varibles.<BR>\n" );
document.write( "for example:<BR>\n" );
document.write( "W + X +Y + Z = 3<BR>\n" );
document.write( "W - X + Y + Z = 1<BR>\n" );
document.write( "W + X - Y + Z = 1<BR>\n" );
document.write( "W + X + Y - Z = 3<BR>\n" );
document.write( "___________________ </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #1327 by </B><A HREF=/tutors/aboutme.mpl?userid=thechamp1011><B>thechamp1011(19)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=thechamp1011><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=1327\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> W+X+Y+Z=3<BR>\n" );
document.write( "W-X+Y+Z=1<BR>\n" );
document.write( "W+X-Y+Z=1<BR>\n" );
document.write( "W+X+Y-Z=3<BR>\n" );
document.write( "___________________<BR>\n" );
document.write( "4W+2X+2Y+2Z=8\r<BR>\n" );
document.write( "\n" );
document.write( "2(2W+X+Y+Z)=8<BR>\n" );
document.write( "2W+X+Y+Z=8/2=4 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );