document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=551147>Question 551147</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of the digits of a certain two digit number is eight. If the original number is subtracted from the number formed by interchanging the digits, the result is -18. What is the original number? Please help!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #359445 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=359445\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The sum of the digits of a certain two digit number is eight. If the original number is subtracted from the number formed by interchanging the digits, the result is -18. What is the original number?<BR>\n" );
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document.write( "let t=ten's digit<BR>\n" );
document.write( "let u=unit's digit<BR>\n" );
document.write( "t+u=8, t=8-u<BR>\n" );
document.write( "original no.=10t+u<BR>\n" );
document.write( "interchanged no.=10u+t<BR>\n" );
document.write( "..<BR>\n" );
document.write( "10u+t-(10t+u)=-18<BR>\n" );
document.write( "10u+t-10t-u=-18<BR>\n" );
document.write( "10u+8-u-10(8-u)-u=-18<BR>\n" );
document.write( "10u+8-u-80+10u-u=-18<BR>\n" );
document.write( "18u=54<BR>\n" );
document.write( "u=3<BR>\n" );
document.write( "t=8-u=5<BR>\n" );
document.write( "original number=53 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );