document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=455914>Question 455914</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have to solve a system of equations using substitution to eliminate one variable for y=2x and 3x+y=20.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #312968 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=312968\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> plug 2x in for y in the second equation<BR>\n" );
document.write( "3x+2x=20<BR>\n" );
document.write( "5x=20<BR>\n" );
document.write( "x=4<BR>\n" );
document.write( "y=2x=8<BR>\n" );
document.write( "(4,8) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );