document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=18759>Question 18759</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have to solve this 4x4 matrix using Cramer's Rule:<BR>\n" );
document.write( "4x + 0y + 3z - 2w = 2<BR>\n" );
document.write( "3x + 1y + 2z - 1w = 4<BR>\n" );
document.write( "1x - 6y - 2z + 2w = 0<BR>\n" );
document.write( "2x + 2y + 0z - 1w = 1<BR>\n" );
document.write( "Once I get to finding the determinants of the three 3x3 matrices, I am completly lost. Do you solve like a normal 3x3 and just multiply the determinent found by the number on the outside? After that is it simply repeating the same process for the other variables and adding the answers together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #531666 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=531666\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4,0,3,-2,2<BR>\n" );
document.write( "3,1,2,-1,4<BR>\n" );
document.write( "1,-6,-2,2,0<BR>\n" );
document.write( "2,2,0,-1,1 <BR>\n" );
document.write( "D=39<BR>\n" );
document.write( "Dx=52<BR>\n" );
document.write( "Dy=39<BR>\n" );
document.write( "Dz=52<BR>\n" );
document.write( "Dw=143 <BR>\n" );
document.write( "x=Dx/D= 52/39 = 1.33333333<BR>\n" );
document.write( "y=Dy/D= 39/39 = 1<BR>\n" );
document.write( "z=Dz/D= 52/39 = 1.33333333<BR>\n" );
document.write( "w=Dw/D= 143/39 = 3.66666667 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );