document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=874961>Question 874961</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do we solve the below system using crammers rule?<BR>\n" );
document.write( "w+x+y+z=2<BR>\n" );
document.write( "w+2x+3y+4z=2<BR>\n" );
document.write( "2w+3x+5y+9z=2<BR>\n" );
document.write( "w+x+2y+7z=2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #527873 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=527873\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1w+1x+1y+1z=2<BR>\n" );
document.write( "1w+2x+3y+4z=2<BR>\n" );
document.write( "2w+3x+5y+9z=2<BR>\n" );
document.write( "1w+1x+2y+7z=2\r<BR>\n" );
document.write( "\n" );
document.write( "first get the determinant of <BR>\n" );
document.write( "{1,1,1,1<BR>\n" );
document.write( "{1,2,3,4}<BR>\n" );
document.write( "{2,3,5,9}<BR>\n" );
document.write( "{1,1,2,7}<BR>\n" );
document.write( "which is D=2<BR>\n" );
document.write( "then get the determinant of <BR>\n" );
document.write( "Dw =-6 from below<BR>\n" );
document.write( " 2,1,1,1<BR>\n" );
document.write( " 2,2,3,4<BR>\n" );
document.write( " 2,3,5,9<BR>\n" );
document.write( " 2,1,2,7\r<BR>\n" );
document.write( "\n" );
document.write( "Dx=16<BR>\n" );
document.write( "1,2,1,1<BR>\n" );
document.write( "1,2,3,4<BR>\n" );
document.write( "2,2,5,9<BR>\n" );
document.write( "1,2,2,7\r<BR>\n" );
document.write( "\n" );
document.write( "Dy=-10<BR>\n" );
document.write( "1,1,2,1<BR>\n" );
document.write( "1,2,2,4<BR>\n" );
document.write( "2,3,2,9<BR>\n" );
document.write( "1,1,2,7\r<BR>\n" );
document.write( "\n" );
document.write( "Dz=2<BR>\n" );
document.write( "1,1,1,2<BR>\n" );
document.write( "1,2,3,2<BR>\n" );
document.write( "2,3,5,2<BR>\n" );
document.write( "1,1,2,2\r<BR>\n" );
document.write( "\n" );
document.write( "w=Dw/D=-6/2=-3<BR>\n" );
document.write( "x=Dx/D=16/2=8<BR>\n" );
document.write( "y=Dy/D=-10/2=-5<BR>\n" );
document.write( "z=Dz/D=2/2=1\r<BR>\n" );
document.write( "\n" );
document.write( "and there you have it. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );