document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=652103>Question 652103</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Pivot the system about the element in row 2, column 2. <BR>\n" );
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document.write( "1	5	–10	 	0<BR>\n" );
document.write( "0	5	–6	–6<BR>\n" );
document.write( "0	10	8	–5<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 #407895 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</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=407895\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "They want you to make the 1 a pivot element, meaning that the other numbers in it's column are zero. All you do is use row reduction techniques to accomplish this. \r<BR>\n" );
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document.write( "Divide row <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2 ALIGN=MIDDLE  ALT=\"2\"   DISABLED_style= \"max-width:90%; height:auto;\" > by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5 ALIGN=MIDDLE  ALT=\"5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "|1| 	5| 	-10| 	0|<BR>\n" );
document.write( "|0| 	1| 	-6/5| 	-6/5|<BR>\n" );
document.write( "|0| 	10| 	8| 	-5|\r<BR>\n" );
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document.write( "Add (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-10+%2A+row2 ALIGN=MIDDLE  ALT=\"-10+%2A+row2\"   DISABLED_style= \"max-width:90%; height:auto;\" >) to row<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3 ALIGN=MIDDLE  ALT=\"3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "|1| 	5| 	-10| 	0|<BR>\n" );
document.write( "|0| 	1| 	-6/5| 	-6/5|<BR>\n" );
document.write( "|0| 	0| 	20| 	7|\r<BR>\n" );
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document.write( "Divide <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=row3 ALIGN=MIDDLE  ALT=\"row3\"   DISABLED_style= \"max-width:90%; height:auto;\" > by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20 ALIGN=MIDDLE  ALT=\"20\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "|1| 	5| 	-10| 	0|<BR>\n" );
document.write( "|0| 	1| 	-6/5| 	-6/5|<BR>\n" );
document.write( "|0| 	0| 	1| 	7/20|\r<BR>\n" );
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document.write( "Add (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%2F5+%2A+row3 ALIGN=MIDDLE  ALT=\"6%2F5+%2A+row3\"   DISABLED_style= \"max-width:90%; height:auto;\" >) to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=row2 ALIGN=MIDDLE  ALT=\"row2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "|1| 	5| 	-10| 	0|<BR>\n" );
document.write( "|0| 	1| 	0| 	-39/50|<BR>\n" );
document.write( "|0 |	0| 	1| 	7/20|\r<BR>\n" );
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document.write( "Add (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10+%2A+row3 ALIGN=MIDDLE  ALT=\"10+%2A+row3\"   DISABLED_style= \"max-width:90%; height:auto;\" >) to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=row1 ALIGN=MIDDLE  ALT=\"row1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "|1| 	5 |	0| 	7/2|<BR>\n" );
document.write( "|0| 	1| 	0| 	-39/50|<BR>\n" );
document.write( "|0| 	0| 	1| 	7/20|\r<BR>\n" );
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document.write( "Add (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5+%2A+row2 ALIGN=MIDDLE  ALT=\"-5+%2A+row2\"   DISABLED_style= \"max-width:90%; height:auto;\" >) to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=row1 ALIGN=MIDDLE  ALT=\"row1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "|1| 	0| 	0| 	37/5|<BR>\n" );
document.write( "|0| 	1| 	0| 	-39/50|<BR>\n" );
document.write( "|0| 	0| 	1| 	7/20|\r<BR>\n" );
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document.write( "so, your solutions are: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=+37%2F5 ALIGN=MIDDLE  ALT=\"x=+37%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=+-39%2F50 ALIGN=MIDDLE  ALT=\"y=+-39%2F50\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z=+7%2F20 ALIGN=MIDDLE  ALT=\"z=+7%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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