document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=880209>Question 880209</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of the digits of a two-digit no. is 11. If the digits are reversed the new no. is 7 more than twice the original no. Find the original no. <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #531391 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=531391\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The sum of the digits of a two-digit no. is 11. If the digits are reversed the new no. is 7 more than twice the original no. Find the original no. <BR>\n" );
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document.write( "u=units digit<BR>\n" );
document.write( "t=tens digit<BR>\n" );
document.write( "u+t=11<BR>\n" );
document.write( "t=11-u<BR>\n" );
document.write( "..<BR>\n" );
document.write( "10u+t=2(10t+u)+7<BR>\n" );
document.write( "10u+t=20t+2u+7<BR>\n" );
document.write( "10u+11-u=20(11-u)+2u+7<BR>\n" );
document.write( "9u+11=220-20u+2u+7<BR>\n" );
document.write( "27u=216<BR>\n" );
document.write( "u=8<BR>\n" );
document.write( "t=11-u=3<BR>\n" );
document.write( "original number=10t+u=38 </SPAN>\n" );
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