document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=172106>Question 172106</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Could you please show me how to do matrix for these equations?  I don't understand how it works.\r<BR>\n" );
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document.write( "7x+8y-z=9<BR>\n" );
document.write( "x-2y-5z=-31<BR>\n" );
document.write( "-7x+y+z=0\r<BR>\n" );
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document.write( "Thank you so very much for your time and help!<BR>\n" );
document.write( "I really appreciate it!<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #127140 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=127140\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Could you please show me how to do matrix for these equations? I don't understand how it works. <BR>\n" );
document.write( "7x+8y-z=9<BR>\n" );
document.write( "x-2y-5z=-31<BR>\n" );
document.write( "-7x+y+z=0 <BR>\n" );
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document.write( "I can do that, but it's tedious to do on this site.<BR>\n" );
document.write( "If you email me at gsihoutx@aol.com, I can scan and email you some hand-written notes, and an Excel sheet that I made that will solve 3x3 and 4x4 matrices.\r<BR>\n" );
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