document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=861536>Question 861536</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve each of the following linear systems by Gaussian elimination.\r<BR>\n" );
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document.write( "a) 5x - 4y = -25<BR>\n" );
document.write( "  -3x + 2y = 11\r<BR>\n" );
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document.write( "b) 7x + 5y - 2z = 57<BR>\n" );
document.write( "  -6x - 2y + 9z = -190<BR>\n" );
document.write( "    x + 4y + 2y = 11 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #534544 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=534544\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 7x + 5y - 2z = 57<BR>\n" );
document.write( "-6x - 2y + 9z = -190<BR>\n" );
document.write( "x + 4y + 2y = 11<BR>\n" );
document.write( "7,5,-2,57<BR>\n" );
document.write( "-6,-2,9,-190<BR>\n" );
document.write( "1,4,2,11\r<BR>\n" );
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document.write( "determinant = -131<BR>\n" );
document.write( "x = 1591/-131 = -12.1450382<BR>\n" );
document.write( "y = -2404/-131 = 18.351145<BR>\n" );
document.write( "z = 3292/-131 = -25.129771<BR>\n" );
document.write( " </SPAN>\n" );
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