document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=390774>Question 390774</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One number is three less than the other. Their sum is 21. find the numbers. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #277108 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=277108\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One number is three less than the other. <BR>\n" );
document.write( "Their sum is 21. find the numbers.<BR>\n" );
document.write( "Equations:<BR>\n" );
document.write( "x+y = 21<BR>\n" );
document.write( "x = y-3<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Rearrange:<BR>\n" );
document.write( "x + y = 21<BR>\n" );
document.write( "x - y = -3<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Add and solve for \"x\":<BR>\n" );
document.write( "2x = 18<BR>\n" );
document.write( "x = 9<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Since x+y = 21, y = 12<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "==============<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );