document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=726685>Question 726685</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello.<BR>\n" );
document.write( "I'm trying to solve this System of Equations with three variables.<BR>\n" );
document.write( "r+s=5<BR>\n" );
document.write( "3s+2t=-1<BR>\n" );
document.write( "4r+t=14<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #444722 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=444722\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (1) r+s=5<BR>\n" );
document.write( "(2) 3s+2t=-1<BR>\n" );
document.write( "(3) 4r+t=14<BR>\n" );
document.write( "..<BR>\n" );
document.write( "3s+3r=15 (mult.1st eq by 3)<BR>\n" );
document.write( "3s+2t=-1<BR>\n" );
document.write( "subtract<BR>\n" );
document.write( "3r-2t=16<BR>\n" );
document.write( "8r+2t=28 (mult.3rd eq by 2)<BR>\n" );
document.write( "add<BR>\n" );
document.write( "11r=44<BR>\n" );
document.write( "r=4<BR>\n" );
document.write( "s=5-r=1<BR>\n" );
document.write( "t=14-4r (3rd eq)<BR>\n" );
document.write( "=14-16<BR>\n" );
document.write( "=-2 <BR>\n" );
document.write( "r=4<BR>\n" );
document.write( "s=1<BR>\n" );
document.write( "t=-2 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );