document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=376395>Question 376395</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve the system by substitution 3x-y=50 x= -3y   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #267794 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=267794\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3x-y=50 x= -3y<BR>\n" );
document.write( "...<BR>\n" );
document.write( "plug the value of x in first equation<BR>\n" );
document.write( "..<BR>\n" );
document.write( "3*(-3y)-y=50 <BR>\n" );
document.write( "..<BR>\n" );
document.write( "-9y-y=50<BR>\n" );
document.write( "-10y=50\r<BR>\n" );
document.write( "\n" );
document.write( "y=-5<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x = -3*-5<BR>\n" );
document.write( "x=15\r<BR>\n" );
document.write( "\n" );
document.write( "..<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28highlight%28x=15+y=-5%29%29 ALIGN=MIDDLE  ALT=\"%28highlight%28x=15+y=-5%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "...<BR>\n" );
document.write( "m.ananth@hotmail.ca<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );