document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=989648>Question 989648</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x-y+2z=-7<BR>\n" );
document.write( "y+z=1<BR>\n" );
document.write( "x=2y+3z\r<BR>\n" );
document.write( "\n" );
document.write( "I did start this problem but got stuck fairly quickly. We're supposed to be solving using substitution or elimination. Please get back to me as soon as possible, thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #609901 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=609901\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x-y+2z=-7<BR>\n" );
document.write( "y+z=1<BR>\n" );
document.write( "x=2y+3z<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Sub for x in the 1st eqn.<BR>\n" );
document.write( "(2y + 3z) - y + 2z = 7<BR>\n" );
document.write( "y + 4z = 7<BR>\n" );
document.write( "y + z = 1<BR>\n" );
document.write( "=================== Subtract<BR>\n" );
document.write( "3z = 6<BR>\n" );
document.write( "z = 2 *******************<BR>\n" );
document.write( "------<BR>\n" );
document.write( "y + z = 1<BR>\n" );
document.write( "y = -1 **********************<BR>\n" );
document.write( "------<BR>\n" );
document.write( "Sub for y & z anywhere to find x.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );