document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=802534>Question 802534</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve the given system of equations<BR>\n" );
document.write( "x+y+8z=40<BR>\n" );
document.write( "x+y+6z=32<BR>\n" );
document.write( "x+7y+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 #483914 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=483914\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve the given system of equations<BR>\n" );
document.write( "x+y+8z=40<BR>\n" );
document.write( "x+y+6z=32<BR>\n" );
document.write( "x+7y+3z=50<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "All coefficients of x are 1, so eliminate x first.<BR>\n" );
document.write( "x+y+8z=40<BR>\n" );
document.write( "x+y+6z=32<BR>\n" );
document.write( "------------ Subtract<BR>\n" );
document.write( "2z = 8<BR>\n" );
document.write( "z = 4  even better<BR>\n" );
document.write( "=============<BR>\n" );
document.write( "x+y+6z=32<BR>\n" );
document.write( "x+7y+3z=50<BR>\n" );
document.write( "-------------- Subtract<BR>\n" );
document.write( "-6y + 3z = -18<BR>\n" );
document.write( "-6y + 12 = -18<BR>\n" );
document.write( "y = 5<BR>\n" );
document.write( "==================<BR>\n" );
document.write( "Sub for y & z in any equation to find x<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );