document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=748694>Question 748694</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the sum of two numbers is 81 the differance of the same two numbers is 9. What are  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 #455577 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=455577\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x + y = 81<BR>\n" );
document.write( "x - y = 9<BR>\n" );
document.write( "Add<BR>\n" );
document.write( "2x    = 90<BR>\n" );
document.write( " x    = 45<BR>\n" );
document.write( "Substitute x = 45<BR>\n" );
document.write( "in first equation\r<BR>\n" );
document.write( "\n" );
document.write( "45 + y = 81<BR>\n" );
document.write( "     y = 81 - 45<BR>\n" );
document.write( "     y = 36\r<BR>\n" );
document.write( "\n" );
document.write( "    {45,36} </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );