document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=888401>Question 888401</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The sum of A and B is 35. Ten years ago A was double B's age. How old are they now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #537361 by </B><A HREF=/tutors/aboutme.mpl?userid=JulietG><B>JulietG(1812)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JulietG><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=JulietG><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=537361\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A + B = 35, which means that A = 35-B<BR>\n" );
document.write( "(A-10) = 2(B-10)<BR>\n" );
document.write( "Distribute<BR>\n" );
document.write( "A-10 = 2B-20<BR>\n" );
document.write( "Substitute the value of A from the first equation<BR>\n" );
document.write( "(35-B)-10 = 2B-20<BR>\n" );
document.write( "25-B = 2B - 20<BR>\n" );
document.write( "Add 20 to each side<BR>\n" );
document.write( "45 - B = 2B<BR>\n" );
document.write( "Add B to each side<BR>\n" );
document.write( "45 = 3B<BR>\n" );
document.write( "Divide each side by 3<BR>\n" );
document.write( "15 = B<BR>\n" );
document.write( "If B is 15, then A must be 20.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let's check...<BR>\n" );
document.write( "Ten years ago, A would have been 10 and B would have been 5 -- 10 is double 5.<BR>\n" );
document.write( "Success!<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );