document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=452469>Question 452469</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me this equation step by step:\r<BR>\n" );
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document.write( "[-5 -1 9 |-2]<BR>\n" );
document.write( "[1  2 6  |-17]<BR>\n" );
document.write( "[5 -8 -2 |-3] \r<BR>\n" );
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document.write( "I don't understand how to get it as <BR>\n" );
document.write( "1 0 0 ratio... <BR>\n" );
document.write( "                                    0 1 0<BR>\n" );
document.write( "                                    0 0 1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #311027 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=311027\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> [1   2  0| -5]<BR>\n" );
document.write( "[0   9  0| -9]<BR>\n" );
document.write( "[0   0  1| -2]<BR>\n" );
document.write( "[-5 -1 9 |-2]<BR>\n" );
document.write( "[1   2 6 |-17]<BR>\n" );
document.write( "[5 -8 -2 |-3]<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Interchange the 1st and the 2nd row to get:<BR>\n" );
document.write( "[1   2 6 |-17]<BR>\n" );
document.write( "[-5 -1 9 |-2]<BR>\n" );
document.write( "[5 -8 -2 |-3]<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "Add 5 times the 1st row to the 2nd row.<BR>\n" );
document.write( "Add -5 times the 1st row to the 3rd row.<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "[1   2 6 |-17]<BR>\n" );
document.write( "[0   9 39|-87]<BR>\n" );
document.write( "[0 -18 -32|82]<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "Add 2* the 2nd row to the 3rd to get:<BR>\n" );
document.write( "[1   2 6 |-17]<BR>\n" );
document.write( "[0   9 39|-87]<BR>\n" );
document.write( "[0   0 46|-92]<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "Divide thru the 3rd row by 46 to get:<BR>\n" );
document.write( "[1   2 6 |-17]<BR>\n" );
document.write( "[0   9 39|-87]<BR>\n" );
document.write( "[0   0  1| -2]<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "Add -39 times the 3rd row to the 2nd row<BR>\n" );
document.write( "Add  -6 times the 3rd row to the 1st row<BR>\n" );
document.write( "--------------------------<BR>\n" );
document.write( "[1   2  0| -5]<BR>\n" );
document.write( "[0   9  0| -9]<BR>\n" );
document.write( "[0   0  1| -2]<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Divide thru the 2nd row by \"9\":<BR>\n" );
document.write( "---------------------------------<BR>\n" );
document.write( "[1   2  0| -5]<BR>\n" );
document.write( "[0   1  0| -1]<BR>\n" );
document.write( "[0   0  1| -2]<BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "Add -2 times the 2nd row to the 1st row:<BR>\n" );
document.write( "[1   0  0| -3]<BR>\n" );
document.write( "[0   1  0| -1]<BR>\n" );
document.write( "[0   0  1| -2]\r<BR>\n" );
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document.write( "==========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=============\r<BR>\n" );
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document.write( " \r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );