document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=284628>Question 284628</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The units digit of a two digit number exceeds twice the tens digit by 1. Find the number if the sum of its digits is 7. How do you solve this? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #206529 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=206529\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a+b=7<BR>\n" );
document.write( "b=7-a<BR>\n" );
document.write( "b=2*a+1\r<BR>\n" );
document.write( "\n" );
document.write( "7-a=2a+1<BR>\n" );
document.write( "6-a=2a<BR>\n" );
document.write( "6=3a<BR>\n" );
document.write( "2=a<BR>\n" );
document.write( "b=5\r<BR>\n" );
document.write( "\n" );
document.write( "the number is 25<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );