document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=785867>Question 785867</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the following system of linear equations:\r<BR>\n" );
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document.write( "x + 2y - z = 5<BR>\n" );
document.write( "2x - y + z = 2<BR>\n" );
document.write( "        y + z = 2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #477748 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=477748\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x + 2y - z = 5<BR>\n" );
document.write( "2x - y + z = 2<BR>\n" );
document.write( "        y + z = 2<BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "x + 2y - z = 5<BR>\n" );
document.write( "2x - y + z = 2<BR>\n" );
document.write( "---------------- Add<BR>\n" );
document.write( "3x + y = 7  Eqn A<BR>\n" );
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document.write( "x + 2y - z = 5<BR>\n" );
document.write( "     y + z = 2<BR>\n" );
document.write( "------------------ Add<BR>\n" );
document.write( "x + 3y = 7 Eqn B<BR>\n" );
document.write( "9x + 3y = 21  Eqn A times 3<BR>\n" );
document.write( "------------------------------ Subtract<BR>\n" );
document.write( "-8x = -14<BR>\n" );
document.write( "x = 7/4<BR>\n" );
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document.write( "x + 3y = 7 Eqn B<BR>\n" );
document.write( "3y = 21/4<BR>\n" );
document.write( "y = 7/4<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "y + z = 2<BR>\n" );
document.write( "z = 1/4 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );