document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=638556>Question 638556</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the matrix:\r<BR>\n" );
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document.write( "[1 2 1 | 0]<BR>\n" );
document.write( "[0 1 0 |-2]<BR>\n" );
document.write( "[0 0 1 | 3]\r<BR>\n" );
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document.write( "Thanks in advance </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #402268 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=402268\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve the matrix:\r<BR>\n" );
document.write( "\n" );
document.write( "[1 2 1 | 0]<BR>\n" );
document.write( "[0 1 0 |-2]<BR>\n" );
document.write( "[0 0 1 | 3]<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "The 3rd row --> z = 3<BR>\n" );
document.write( "The 2nd row --> y = -2<BR>\n" );
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document.write( "x + 2*-2 + 3 = 0<BR>\n" );
document.write( "x = 1<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );