document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=108595>Question 108595</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The following matrix is obtained from the augmented matrix of a system of equations.\r<BR>\n" );
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document.write( "1  0  3   20<BR>\n" );
document.write( "0  1  2   -2<BR>\n" );
document.write( "0  0  1   4\r<BR>\n" );
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document.write( "What is the solution to the system is?<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 #79181 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=79181\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1 0 3 20<BR>\n" );
document.write( "0 1 2 -2<BR>\n" );
document.write( "0 0 1 4 <BR>\n" );
document.write( "What is the solution to the system is?<BR>\n" );
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document.write( "Assuming the variables are a, b, c,<BR>\n" );
document.write( "The 3rd line implies that c = 4<BR>\n" );
document.write( "If c=4 the 2nd line implies b+2c=-2; b+8=-2; b=-10<BR>\n" );
document.write( "If c=4 and b=-10 the 1st line implies a + 3c = 20; a+12=20; a=8<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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