document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=976079>Question 976079</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the system of equations 2x-2y-2z=3,x+4y-z=2, and -2x-8y+2z=-4. I tried to plot it on the graph but could not solve for z. Thank you I appreciate your help.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #597743 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=597743\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x-2y-2z=3<BR>\n" );
document.write( "x+4y-z=2<BR>\n" );
document.write( "-2x-8y+2z=-4<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "2x -2y-2z=3<BR>\n" );
document.write( "-2x-8y+2z=-4<BR>\n" );
document.write( "----------------- Add<BR>\n" );
document.write( "-10y = -1<BR>\n" );
document.write( "y = 1/10 ********************<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "x+4y-z=2  Eqn A<BR>\n" );
document.write( "-2x-8y+2z=-4  Eqn B<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Eqn B is -2 times Eqn A<BR>\n" );
document.write( "---> dependent, no unique solutions for x or z.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );