document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=393707>Question 393707</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose you are given the sum and the difference of two real numbers. How can you figure out what the numbers are themselves? Explain your reasoning clearly step by step.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #279396 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=279396\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> eg<BR>\n" );
document.write( "x - y = a<BR>\n" );
document.write( "x + y = b<BR>\n" );
document.write( "---------- Add<BR>\n" );
document.write( "2x = a+b<BR>\n" );
document.write( "x = (a+b)/2<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "y = x - a or <BR>\n" );
document.write( "y = b - x </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );