document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=463113>Question 463113</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve the system of equation <BR>\n" );
document.write( "x+y+7z=-7<BR>\n" );
document.write( "x+y+2z=-10<BR>\n" );
document.write( "x-8y-3z=50 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #317359 by </B><A HREF=/tutors/aboutme.mpl?userid=juliane1><B>juliane1(5)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=juliane1><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=317359\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. x + y + 7z = -7<BR>\n" );
document.write( "(x + y + 7z) + (-y-7z)<BR>\n" );
document.write( "= -7+(-y - 7z)<BR>\n" );
document.write( "x + y + 7z - y - 7z - 7 - y - 7z<BR>\n" );
document.write( "x + y - y + 7z - 7z = -y-7z-7<BR>\n" );
document.write( "x=-y-7z-7<BR>\n" );
document.write( "2. x+y+2z=-10<BR>\n" );
document.write( "(x+y+2z) + -y-2z)= -10+(-y-2z)<BR>\n" );
document.write( "x+y+2z-y-2z=-10-y-2z<BR>\n" );
document.write( "x+y-y+2z = -y-2z-10<BR>\n" );
document.write( "x = -y-2z-10<BR>\n" );
document.write( "3. x-8y-3z=50<BR>\n" );
document.write( "(x-8y-3z) + (8y + 3z) = 50 + (8y + 3z)<BR>\n" );
document.write( "x - 8y - 3z + 8y + 3z = 50 + 8y + 3z<BR>\n" );
document.write( "x - 8y + 8y -3z + 3z + 8y + 3z + 50<BR>\n" );
document.write( "8 = 8y + 3z + 50 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );