document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=10610>Question 10610</A>: <I><SPAN STYLE=\"word-break: break-all;\"> y=2x<BR>\n" );
document.write( "x+y=12<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 #5611 by </B><A HREF=/tutors/aboutme.mpl?userid=rahman><B>rahman(247)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rahman><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://my.opera.com/ammank/albums/showpics.dml?album=200096&picture=3111716 valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=5611\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We be able to substitute y = 2x to x + y = 12:<BR>\n" );
document.write( "x + y = 12 ----- x + 2x = 12<BR>\n" );
document.write( "                     3x = 12<BR>\n" );
document.write( "                      x = 12 : 3<BR>\n" );
document.write( "                      x = 4<BR>\n" );
document.write( "Then, y = 2x ------ y = 2(4) = 8<BR>\n" );
document.write( "so, we find x = 4 and y = 8 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );