document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=469233>Question 469233</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I solve:\r<BR>\n" );
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document.write( "x+y+z=4<BR>\n" );
document.write( "x+y-z=6<BR>\n" );
document.write( "2x-3y+z=-1\r<BR>\n" );
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document.write( "Thank you for your time. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #321927 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=321927\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1) x+y+z=4<BR>\n" );
document.write( "2) x+y-z=6<BR>\n" );
document.write( "3) x-3y+z=-1<BR>\n" );
document.write( "...<BR>\n" );
document.write( "1) x+y+z=4<BR>\n" );
document.write( "2) x+y-z=6<BR>\n" );
document.write( "add to eliminate z<BR>\n" );
document.write( "4) 2x+2y=10<BR>\n" );
document.write( "..<BR>\n" );
document.write( "2) x+y-z=6<BR>\n" );
document.write( "3) x-3y+z=-1<BR>\n" );
document.write( "add to eliminate z<BR>\n" );
document.write( "5) 2x-2y=5<BR>\n" );
document.write( "..<BR>\n" );
document.write( "4) 2x+2y=10<BR>\n" );
document.write( "5) 2x-2y=5<BR>\n" );
document.write( "add to eliminate y<BR>\n" );
document.write( "4x=15<BR>\n" );
document.write( "x=15/4<BR>\n" );
document.write( "2y=2x-5=15/2-5=15/2-10/2=5/2<BR>\n" );
document.write( "y=5/4<BR>\n" );
document.write( "z=4-x-y=4-15/4-5/4=16/4-15/4-5/4=-4/4=-1<BR>\n" );
document.write( "Check:<BR>\n" );
document.write( "1) x+y+z=15/4+5/4-1=20/4-4/4=16/4=4<BR>\n" );
document.write( "2) x+y-z=15/4+5/4+1=20/4+4/4=24/4=6<BR>\n" );
document.write( "3) x-3y+z=15/4-3(5/4)-1=15/4-15/4-1=-1 </SPAN>\n" );
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