document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=946271>Question 946271</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The system of linear equations has a unique solution. Find the solution using Gaussian elimination or Gauss-Jordan elimination.<BR>\n" );
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document.write( "2y	 + 	z	 = 	9<BR>\n" );
document.write( "x	 + 	y			 = 	9<BR>\n" );
document.write( "3x	 + 	3y	 &#8722; 	z	 = 	10<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 #577329 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=577329\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2y + z = 9<BR>\n" );
document.write( "x + y = 9<BR>\n" );
document.write( "3x + 3y &#8722; z = 10\r<BR>\n" );
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document.write( "0........... 	2........... 	1........... 	9<BR>\n" );
document.write( "1........... 	1........... 	0........... 	9<BR>\n" );
document.write( "3........... 	3........... 	-1........... 	10\r<BR>\n" );
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document.write( "Swapping row2 with row1\r<BR>\n" );
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document.write( "1........... 	1........... 	0........... 	9<BR>\n" );
document.write( "0........... 	2........... 	1........... 	9<BR>\n" );
document.write( "3........... 	3........... 	-1........... 	10\r<BR>\n" );
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document.write( "Add (-3 * row1) to row3\r<BR>\n" );
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document.write( "1........... 	1........... 	0........... 	9<BR>\n" );
document.write( "0........... 	2........... 	1........... 	9<BR>\n" );
document.write( "0........... 	0........... 	-1........... 	-17\r<BR>\n" );
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document.write( "Divide row2 by 2\r<BR>\n" );
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document.write( "1........... 	2........... 	0........... 	9<BR>\n" );
document.write( "0........... 	1........... 	1/2........... 	9/2<BR>\n" );
document.write( "0........... 	0........... 	-1........... 	-17\r<BR>\n" );
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document.write( "Divide row3 by -1\r<BR>\n" );
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document.write( "1........... 	1........... 	0........... 	9<BR>\n" );
document.write( "0........... 	1........... 	1/2........... 	9/2<BR>\n" );
document.write( "0........... 	0........... 	1........... 	17\r<BR>\n" );
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document.write( "Add (-1/2 * row3) to row2\r<BR>\n" );
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document.write( "1........... 	1........... 	0........... 	9<BR>\n" );
document.write( "0........... 	1........... 	0........... 	-4<BR>\n" );
document.write( "0........... 	0........... 	1........... 	17\r<BR>\n" );
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document.write( "Add (-1 * row2) to row1\r<BR>\n" );
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document.write( "1........... 	0........... 	0........... 	13<BR>\n" );
document.write( "0........... 	1........... 	0........... 	-4<BR>\n" );
document.write( "0........... 	0........... 	1........... 	17\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=13 ALIGN=MIDDLE  ALT=\"x=13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-4 ALIGN=MIDDLE  ALT=\"y=-4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=17 ALIGN=MIDDLE  ALT=\"z=17\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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