document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=80198>Question 80198</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2X-3Y-2Z=12<BR>\n" );
document.write( "X+4Y+Z=-9<BR>\n" );
document.write( "4X+2Y-3Z=6<BR>\n" );
document.write( " Question: Solve using linear combination and by matrices. Write the matrices you typed into calculator and the operations it took to solve the system<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 #57553 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=57553\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2X-3Y-2Z=12<BR>\n" );
document.write( "X+4Y+Z=-9<BR>\n" );
document.write( "4X+2Y-3Z=6<BR>\n" );
document.write( " Question: Solve using linear combination and by matrices. Write the matrices you typed into calculator and the operations it took to solve the system<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "A is a 3x3 matrix whose rows are the coefficients of xyz from the 3 equations.<BR>\n" );
document.write( "B is a 3x1 matrix whose rows are the constants from the 3 equations.<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Solution is [A]^-1[B]<BR>\n" );
document.write( "x=1; y=-2; z=-2<BR>\n" );
document.write( "=========<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );