document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=623145>Question 623145</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of two numbers is 55 and the difference is 9. What are 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 #391905 by </B><A HREF=/tutors/aboutme.mpl?userid=fcabanski><B>fcabanski(1391)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fcabanski><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=391905\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sum of two numbers is 55:  x+y = 55<P><BR>\n" );
document.write( "Difference is 9: x-y=9<P><BR>\n" );
document.write( "From the second equation x=9+y (substitute that into the first equation to solve for y).<P><BR>\n" );
document.write( "9+y+y=55<br><BR>\n" );
document.write( "2y=46<br><BR>\n" );
document.write( "y=23.  (Substitute that back into the second equation to find x.)<BR>\n" );
document.write( "x=9+y = 23+9 = 32.<P><BR>\n" );
document.write( "23+32 = 55 (Check).<BR>\n" );
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