document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=106765>Question 106765</A>: <I><SPAN STYLE=\"word-break: break-all;\">  I have been working on an assignment that involves solving using Cramer's rule I have set up the matrices but cannot get any further.\r<BR>\n" );
document.write( "\n" );
document.write( "2x- y+ z =0         D=     2 -1  1        Dx 0 -1 +1    <BR>\n" );
document.write( "4x+6y-2z =0                4 +6 -2           0 +6 -2<BR>\n" );
document.write( " x-2y- z =-9               1 -2 -1          -9 -2 -1\r<BR>\n" );
document.write( "\n" );
document.write( "                    Dy     2  0  1       Dz  2 -1  0<BR>\n" );
document.write( "                           4  0 -2           4  6  0<BR>\n" );
document.write( "                           1 -9 -1           1 -2 -9\r<BR>\n" );
document.write( "\n" );
document.write( "What the heck do I do now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #77685 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=77685\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Calculate the determinant of D=-36, Dx=36, Dy=-72, Dz-144<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "Then Cramer determined the following:<BR>\n" );
document.write( "x = Dx/D , by this I mean the quotient of their determinants<BR>\n" );
document.write( "y = Dy/D , same<BR>\n" );
document.write( "z = Dz/D , same<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "Solution:<BR>\n" );
document.write( "x =-1 <BR>\n" );
document.write( "y = 2<BR>\n" );
document.write( "z = 4\r<BR>\n" );
document.write( "\n" );
document.write( "===============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );