document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=598515>Question 598515</A>: <I><SPAN STYLE=\"word-break: break-all;\"> -2x + 3y - 4z - w =  1<BR>\n" );
document.write( "  x + 2y + 2z - w = -2<BR>\n" );
document.write( "  x - 5y + 2z     =  1\r<BR>\n" );
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document.write( "how do I solve this equation? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #378617 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=378617\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -2x + 3y - 4z - w =  1<BR>\n" );
document.write( "  x + 2y + 2z - w = -2<BR>\n" );
document.write( "  x - 5y + 2z     =  1\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "how do I solve this equation?<BR>\n" );
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document.write( "It's not an equation.  It's a system of equations, since there's more than one.<BR>\n" );
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document.write( "There are 4 variables, but only 3 equations.<BR>\n" );
document.write( "--> no unique solution, an infinite # of solutions<BR>\n" );
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