document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1129786>Question 1129786</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the system by Gaussian elimination. (If there is no solution, enter NO SOLUTION. If there are an infinite number of solutions, enter a general solution in terms of one of the variables.)\r<BR>\n" );
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document.write( "x + y + z	= 0<BR>\n" );
document.write( "2x &#8722; y + 3z= 0<BR>\n" );
document.write( "x &#8722; z= 6\r<BR>\n" );
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document.write( "Thank you so much for your help!\r<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 #746403 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=746403\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Your matrix:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%283%2C4%2C%0D%0A1%2C%091%2C%091%2C%090%2C%0D%0A2%2C%09-1%2C%093%2C%090%2C%0D%0A1%2C%090%2C%09-1%2C%096%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Find the pivot in the 1st column in 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%2C%0D%0A1%2C%091%2C%091%2C%090%2C%0D%0A2%2C%09-1%2C%093%2C%090%2C%0D%0A1%2C%090%2C%09-1%2C%096%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Eliminate the 1st column:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%283%2C4%2C%0D%0A%0D%0A1%2C%091%2C%091%2C%090%2C%0D%0A0%2C%09-3%2C%091%2C%090%2C%0D%0A0%2C%09-1%2C%09-2%2C%096%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Find the pivot in the 2nd column (inversing the sign in the whole row) and swap the 3rd and the 2nd rows\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%283%2C4%2C%0D%0A%0D%0A1%2C%091%2C%091%2C%090%2C%0D%0A0%2C%091%2C%092%2C%09-6%2C%0D%0A0%2C%09-3%2C%091%2C%090%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Eliminate the 2nd column\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%283%2C4%2C%0D%0A%0D%0A1%2C%090%2C%09-1%2C%096%2C%0D%0A0%2C%091%2C%092%2C%09-6%2C%0D%0A0%2C%090%2C%097%2C%09-18%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Make the pivot in the 3rd column by dividing the 3rd 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%2C%0D%0A%0D%0A1%2C%090%2C%09-1%2C%096%2C%0D%0A0%2C%091%2C%092%2C%09-6%2C%0D%0A0%2C%090%2C%091%2C%09-18%2F7%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Eliminate the 3rd column\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%283%2C4%2C%0D%0A%0D%0A%0D%0A1%2C%090%2C%090%2C%0924%2F7%2C%0D%0A0%2C%091%2C%090%2C%09-6%2F7%2C%0D%0A0%2C%090%2C%091%2C%09-18%2F7%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Solution set:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5B1%5D+=+24%2F7 ALIGN=MIDDLE  ALT=\"x%5B1%5D+=+24%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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