document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=77287>Question 77287</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0534998461/algebrahomeworkh>College Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I'm very confused with this whole chapter so I need some help:\r<BR>\n" );
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document.write( "solve each system:\r<BR>\n" );
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document.write( "#12.  this is all in() 9x+4y-z=0<BR>\n" );
document.write( "                       3x-2y+4z=6<BR>\n" );
document.write( "                       6x-8y-3z=3<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #55459 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=55459\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 9x+4y-z =0<BR>\n" );
document.write( "3x-2y+4z=6<BR>\n" );
document.write( "6x-8y-3z=3<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Using matrix method A^-1B I get:<BR>\n" );
document.write( "x=1/3<BR>\n" );
document.write( "y=-1/2<BR>\n" );
document.write( "z=1<BR>\n" );
document.write( "========<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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