document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=743576>Question 743576</A>: <I><SPAN STYLE=\"word-break: break-all;\"> use an augmented matrix to solve each system of equations\r<BR>\n" );
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document.write( "-x+y=9<BR>\n" );
document.write( "-4x+y=6 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #452945 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=452945\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> use an augmented matrix to solve each system of equations\r<BR>\n" );
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document.write( "-x+y=9<BR>\n" );
document.write( "-4x+y=6<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "|-1 +1 -9|<BR>\n" );
document.write( "|-4 +1 -6|<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Det = -1 - (-4) = 3<BR>\n" );
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document.write( "x*Det = -6 - (-9) = 3<BR>\n" );
document.write( "x = 3/Det<BR>\n" );
document.write( "x = 1<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "-y/Det = 6 - 36 = -30<BR>\n" );
document.write( "y = 10<BR>\n" );
document.write( " </SPAN>\n" );
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