document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=311396>Question 311396</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the echelon method to solve the system:<BR>\n" );
document.write( " x + 3y + 4z = 14<BR>\n" );
document.write( "2x – 3y +2z = 10<BR>\n" );
document.write( "3x – 9y + z  =  9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #222723 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=222723\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Garamond\" size=\"+2\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ R2\ -\ 2R1\ \rightarrow\ R2\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \left|\ 1\ \ \ 3\ \ \ 4\ \ \ 14\cr\ 0\ -9\ -6\ -18\cr\ 3\ -9\ \ \ 1\ \ \ \ 9\right|\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ R3\ -\ 3R1\ \rightarrow\ R3\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \left|\ 1\ \ \ \ 3\ \ \ \ 4\ \ \ \ 14\cr\ 0\ \ -9\ \ -6\ -18\cr\ 0\ -18\ -11\ \ -33\right|\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \frac{R3}{-9}\ \rightarrow\ R3\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \left|\ 1\ \ \ \ 3\ \ \ \ 4\ \ \ \ 14\cr\ 0\ \ \ \ 1\ \ \ \ \frac{2}{3}\ \ \ \ \ 2\cr\ 0\ -18\ -11\ -33\right|\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ R3\ +\ 18R2\ \rightarrow\ R3\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \left|\ 1\ \ \ \ 3\ \ \ \ 4\ \ \ 14\cr\ 0\ \ \ \ 1\ \ \ \ \frac{2}{3}\ \ \ \ 2\cr\ 0\ \ \ \ 0\ \ \ \ 1\ \ \ \ 3\right|\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ R2\ -\ \frac{2}{3}R3\ \rightarrow\ R2\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \left|\ 1\ \ \ \ 3\ \ \ \ 4\ \ \ 14\cr\ 0\ \ \ \ 1\ \ \ \ 0\ \ \ \ 0\cr\ 0\ \ \ \ 0\ \ \ \ 1\ \ \ \ 3\right|\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ R1\ -\ 3R2\ \rightarrow\ R1\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \left|\ 1\ \ \ \ 0\ \ \ \ 4\ \ \ 14\cr\ 0\ \ \ \ 1\ \ \ \ 0\ \ \ \ 0\cr\ 0\ \ \ \ 0\ \ \ \ 1\ \ \ \ 3\right|\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ R1\ -\ 4R3\ \rightarrow\ R1\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \left|\ 1\ \ \ \ 0\ \ \ \ 0\ \ \ \ 2\cr\ 0\ \ \ \ 1\ \ \ \ 0\ \ \ \ 0\cr\ 0\ \ \ \ 0\ \ \ \ 1\ \ \ \ 3\right|\">\r<BR>\n" );
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document.write( "So: <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE x\ =\ 2\">, <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE y\ =\ 0\">, and <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE z\ =\ 3\">\r<BR>\n" );
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document.write( "Check:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ \ \,(2)\ +\ 3(0)\ +\ 4(3)\ =\ 2\ +\ 12\ =\ 14\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ 2(2)\ -\ 3(0)\ +\ 2(3)\ =\ 4\ +\ \ \,6\ =\ 10\">\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ 3(2)\ -\ 9(0)\ +\ \ \,(3)\ =\ 6\ +\ \ \,3\ =\ 9\"> \r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
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