document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=273818>Question 273818</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve a system of four linear equations and four variable:<BR>\n" );
document.write( "2x+4y+2z+3w=-7<BR>\n" );
document.write( "-3x-2y+5z+4w=11<BR>\n" );
document.write( "4x-3y-2z-3w=11<BR>\n" );
document.write( "-2x+3y-5z-4w=-16 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #199989 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=199989\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I made an Excel sheet to do these.<BR>\n" );
document.write( "I won't learn anything by doing it manually, you might or might not.\r<BR>\n" );
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document.write( "Here are the answers so you can check.\r<BR>\n" );
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document.write( "w = -531/77<BR>\n" );
document.write( "x = 63/77<BR>\n" );
document.write( "y = -70/77<BR>\n" );
document.write( "z = 604/77<BR>\n" );
document.write( " </SPAN>\n" );
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