document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=666357>Question 666357</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve each system by using an augmented matrix.<BR>\n" );
document.write( "x-2y+z=9<BR>\n" );
document.write( "3x+y=1<BR>\n" );
document.write( "-2x-3y-z=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #414395 by </B><A HREF=/tutors/aboutme.mpl?userid=swincher4391><B>swincher4391(1107)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=swincher4391><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=swincher4391><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=414395\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%283%2C4%2C1%2C-2%2C1%2C9%2C3%2C1%2C0%2C1%2C-2%2C-3%2C-1%2C0%29 ALIGN=MIDDLE  ALT=\"matrix%283%2C4%2C1%2C-2%2C1%2C9%2C3%2C1%2C0%2C1%2C-2%2C-3%2C-1%2C0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Add -3 times the 1st row to the 2nd row to get:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%283%2C4%2C1%2C-2%2C1%2C0%2C0%2C7%2C-3%2C1%2C-2%2C-3%2C-1%2C0%29 ALIGN=MIDDLE  ALT=\"matrix%283%2C4%2C1%2C-2%2C1%2C0%2C0%2C7%2C-3%2C1%2C-2%2C-3%2C-1%2C0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Add 2 times the 1st row to the 3rd row to get:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%283%2C4%2C1%2C-2%2C1%2C0%2C0%2C7%2C-3%2C1%2C0%2C-7%2C1%2C0%29 ALIGN=MIDDLE  ALT=\"matrix%283%2C4%2C1%2C-2%2C1%2C0%2C0%2C7%2C-3%2C1%2C0%2C-7%2C1%2C0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Divide the 2nd row by 7.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%283%2C4%2C1%2C-2%2C1%2C0%2C0%2C1%2C-3%2F7%2C1%2F7%2C0%2C-7%2C1%2C0%29 ALIGN=MIDDLE  ALT=\"matrix%283%2C4%2C1%2C-2%2C1%2C0%2C0%2C1%2C-3%2F7%2C1%2F7%2C0%2C-7%2C1%2C0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Add 7 times the 2nd row to the third row.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%283%2C4%2C1%2C-2%2C1%2C0%2C0%2C1%2C-3%2F7%2C1%2F7%2C0%2C0%2C-2%2C1%29 ALIGN=MIDDLE  ALT=\"matrix%283%2C4%2C1%2C-2%2C1%2C0%2C0%2C1%2C-3%2F7%2C1%2F7%2C0%2C0%2C-2%2C1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Divide by -2 to the third row.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%283%2C4%2C1%2C-2%2C1%2C0%2C0%2C1%2C-3%2F7%2C1%2F7%2C0%2C0%2C1%2C-1%2F2%29 ALIGN=MIDDLE  ALT=\"matrix%283%2C4%2C1%2C-2%2C1%2C0%2C0%2C1%2C-3%2F7%2C1%2F7%2C0%2C0%2C1%2C-1%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Add 3/7 times the 3rd row to the 2nd row\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%283%2C4%2C1%2C-2%2C1%2C0%2C0%2C1%2C0%2C-1%2F14%2C0%2C0%2C1%2C-1%2F2%29 ALIGN=MIDDLE  ALT=\"matrix%283%2C4%2C1%2C-2%2C1%2C0%2C0%2C1%2C0%2C-1%2F14%2C0%2C0%2C1%2C-1%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Add -1 times the 3rd row to the 1st row\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%283%2C4%2C1%2C-2%2C0%2C1%2F2%2C0%2C1%2C0%2C-1%2F14%2C0%2C0%2C1%2C-1%2F2%29 ALIGN=MIDDLE  ALT=\"matrix%283%2C4%2C1%2C-2%2C0%2C1%2F2%2C0%2C1%2C0%2C-1%2F14%2C0%2C0%2C1%2C-1%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Add 2 times the 2nd row to the 1st row\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%283%2C4%2C1%2C0%2C0%2C5%2F14%2C0%2C1%2C0%2C-1%2F14%2C0%2C0%2C1%2C-1%2F2%29 ALIGN=MIDDLE  ALT=\"matrix%283%2C4%2C1%2C0%2C0%2C5%2F14%2C0%2C1%2C0%2C-1%2F14%2C0%2C0%2C1%2C-1%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "x = 5/14,  y = -1/14, z = -1/2\r<BR>\n" );
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document.write( " </SPAN>\n" );
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