document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=138378>Question 138378</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of two numbers is 20. Their difference is 4. Find the two numbers.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #101040 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=101040\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> X+Y=20<BR>\n" );
document.write( "X-Y=4<BR>\n" );
document.write( "X=Y+4<BR>\n" );
document.write( "(Y+4)+Y=20<BR>\n" );
document.write( "2Y=20-4<BR>\n" );
document.write( "Y=16/2<BR>\n" );
document.write( "Y=8 ANSWER.<BR>\n" );
document.write( "X-8=4<BR>\n" );
document.write( "X=4+8<BR>\n" );
document.write( "X=12 ANSWER.<BR>\n" );
document.write( "PROOFS:<BR>\n" );
document.write( "8+12=20<BR>\n" );
document.write( "20=20<BR>\n" );
document.write( "8-4=4<BR>\n" );
document.write( "4=4<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );