document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=224277>Question 224277</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x+y+z=-2<BR>\n" );
document.write( "-3x-5y-z=6<BR>\n" );
document.write( "2y-3z=2\r<BR>\n" );
document.write( "\n" );
document.write( "How do you solve this? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #167572 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=167572\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x+y+z=-2<BR>\n" );
document.write( "-3x-5y-z=6<BR>\n" );
document.write( "2y-3z=2 <BR>\n" );
document.write( "How do you solve this?<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "There are several ways to do it, but since the 3rd equation has no x, I'd use elimination and substitution.<BR>\n" );
document.write( "x+y+z=-2 times 3 --> 3x+3y+3z = -6<BR>\n" );
document.write( "-3x-5y-z=6<BR>\n" );
document.write( "3x+3y+3z=-6<BR>\n" );
document.write( "------------- Add<BR>\n" );
document.write( "-2y + 2z = 0<BR>\n" );
document.write( "+2y - 3z = 2  3rd eqn<BR>\n" );
document.write( "------------ Add<BR>\n" );
document.write( "-z = 2<BR>\n" );
document.write( "z = -2<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "y = -2<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "x = 2\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );