document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=902029>Question 902029</A>: <I><SPAN STYLE=\"word-break: break-all;\"> y=-1+x<BR>\n" );
document.write( "y=4+z<BR>\n" );
document.write( "z=-1-x\r<BR>\n" );
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document.write( "use the gauss-Jordan method to solve the system of equation please! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #547551 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=547551\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1,-1,0,1<BR>\n" );
document.write( "0,1,-1,4<BR>\n" );
document.write( "1,0,1,-1\r<BR>\n" );
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document.write( "add  down (0) *row 1 to row 2<BR>\n" );
document.write( "1,-1,0,1<BR>\n" );
document.write( "0,1,-1,4<BR>\n" );
document.write( "1,0,1,-1\r<BR>\n" );
document.write( "\n" );
document.write( "add  down (-1) *row 1 to row 3<BR>\n" );
document.write( "1,-1,0,1<BR>\n" );
document.write( "0,1,-1,4<BR>\n" );
document.write( "0,1,1,-2\r<BR>\n" );
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document.write( "divide row 2 by 1<BR>\n" );
document.write( "1,-1,0,1<BR>\n" );
document.write( "0,1,-1,4<BR>\n" );
document.write( "0,1,1,-2\r<BR>\n" );
document.write( "\n" );
document.write( "add  down (-1) *row 2 to row 3<BR>\n" );
document.write( "1,-1,0,1<BR>\n" );
document.write( "0,1,-1,4<BR>\n" );
document.write( "0,0,2,-6\r<BR>\n" );
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document.write( "divide row 3 by 2<BR>\n" );
document.write( "1,-1,0,1<BR>\n" );
document.write( "0,1,-1,4<BR>\n" );
document.write( "0,0,1,-3\r<BR>\n" );
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document.write( "We now have the value for the last variable.<BR>\n" );
document.write( "We will work our way up and get the other solutions.\r<BR>\n" );
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document.write( "add up  (1) *row 3 to row 2<BR>\n" );
document.write( "1,-1,0,1<BR>\n" );
document.write( "0,1,0,1<BR>\n" );
document.write( "0,0,1,-3\r<BR>\n" );
document.write( "\n" );
document.write( "add up  (0) *row 3 to row 1<BR>\n" );
document.write( "1,-1,0,1<BR>\n" );
document.write( "0,1,0,1<BR>\n" );
document.write( "0,0,1,-3\r<BR>\n" );
document.write( "\n" );
document.write( "add up  (1) *row 2 to row 1<BR>\n" );
document.write( "1,0,0,2<BR>\n" );
document.write( "0,1,0,1<BR>\n" );
document.write( "0,0,1,-3\r<BR>\n" );
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document.write( "final\r<BR>\n" );
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document.write( "1,0,0,2<BR>\n" );
document.write( "0,1,0,1<BR>\n" );
document.write( "0,0,1,-3<BR>\n" );
document.write( "\"2\",\"1\",\"-3\"<BR>\n" );
document.write( "(2,1,-3)<BR>\n" );
document.write( " </SPAN>\n" );
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