document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=661677>Question 661677</A>: <I><SPAN STYLE=\"word-break: break-all;\"> HA and AH represents two 2-digit numbers.  If HA - AH = 18, what is the value of the expressions H - A ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #411748 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=411748\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> HA and AH represents two 2-digit numbers.  If HA - AH = 18, what is the value of the expressions H - A ?<BR>\n" );
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document.write( "The number HA can be written as 10H + A, since H represents the tens place and A the ones place<BR>\n" );
document.write( "Similarly, AH = 10A + H<BR>\n" );
document.write( "Since HA - AH = 18, we have<BR>\n" );
document.write( "10H + A - (10A + H) = 18<BR>\n" );
document.write( "9H - 9A = 18<BR>\n" );
document.write( "9(H - A) = 18<BR>\n" );
document.write( "H - A = 2  </SPAN>\n" );
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