document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1167063>Question 1167063</A>: <I><SPAN STYLE=\"word-break: break-all;\"> so Im trying to brush up on my skills and have been presented with: \r<BR>\n" );
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document.write( "x - y - z = 5<BR>\n" );
document.write( "y - x - z = 1<BR>\n" );
document.write( "z - y - x = -15<BR>\n" );
document.write( "x * y - z = a \r<BR>\n" );
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document.write( "so far all I can remember is to equal everything out to zero leaving: \r<BR>\n" );
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document.write( "x - y - z - 5 = 0<BR>\n" );
document.write( "y - x - z - 1 = 0<BR>\n" );
document.write( "z - y - x + 15 = 0<BR>\n" );
document.write( "x * y - z - a = 0\r<BR>\n" );
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document.write( "what kind of problem is this exactly and how do I solve he variables? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #791640 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=791640\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "You need to solve the first three equations simultaneously to find the values of x, y, and z.  You then use those values to calculate the value of a.\r<BR>\n" );
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document.write( "To solve the 3X3 system, look up Gauss-Jordan elimination.  If you get stuck, write back showing the work you have done to solve it, successful or not, and I'll help you from there.  Hint:  Make sure the variables in all three equations are in the same order.\r<BR>\n" );
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document.write( "																<BR>\n" );
document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi}\ +\ 1\ =\ 0\"><BR>\n" );
document.write( "My calculator said it, I believe it, that settles it<BR>\n" );
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document.write( "I > Ø<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large \ \\r\"> </SPAN>\n" );
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