document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=770775>Question 770775</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The following matrix is is row-echelon form and represent a linear system.  Solve the system using backward substitution.  Write the solution as an ordered triple.\r<BR>\n" );
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document.write( "1  1  -1  5<BR>\n" );
document.write( "0  1  -1  2<BR>\n" );
document.write( "0  0   1  1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #469813 by </B><A HREF=/tutors/aboutme.mpl?userid=tommyt3rd><B>tommyt3rd(5050)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tommyt3rd><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=tommyt3rd><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=469813\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z=1\r<BR>\n" );
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document.write( "y-z=2<BR>\n" );
document.write( "y-1=2<BR>\n" );
document.write( "y=3\r<BR>\n" );
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document.write( "x+y-z=5<BR>\n" );
document.write( "x+3-1=5<BR>\n" );
document.write( "x=3\r<BR>\n" );
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document.write( ":) </SPAN>\n" );
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