document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1015260>Question 1015260</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2x+2y-8z=8<BR>\n" );
document.write( "5x+y-z=8<BR>\n" );
document.write( "-x-y+4z=2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #631634 by </B><A HREF=/tutors/aboutme.mpl?userid=FrankM><B>FrankM(1040)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=FrankM><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=FrankM><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=631634\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x+2y-8z=8<BR>\n" );
document.write( "5x+y-z=8<BR>\n" );
document.write( "-x-y+4z=2\r<BR>\n" );
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document.write( "This is 3 equations in 3 unknowns, i.e. 3 variables. We need to manipulate to get to 2 equations /2 unknowns, by combining 2 at a time. \r<BR>\n" );
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document.write( "2x+2y-8z=8  (EQ1)<BR>\n" );
document.write( "-2x-2y+8z=4  (EQ3 multiplied by 2)\r<BR>\n" );
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document.write( "All terms cancel, adding to zero. There is no unique solution.  </SPAN>\n" );
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