document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1030156>Question 1030156</A>: <I><SPAN STYLE=\"word-break: break-all;\"> sean is 20 and his brother is 12. how many years ago was sean three times as old as his brother? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #645060 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=645060\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi there,<BR>\n" );
document.write( "n = number of years ago that<BR>\n" );
document.write( "Sean was 3 times his brother.<BR>\n" );
document.write( "20 - n = 3*(12 - n)<BR>\n" );
document.write( "20 - n = 36 - 3n<BR>\n" );
document.write( "Colect like terms:<BR>\n" );
document.write( "-n + 3n = 36 - 20<BR>\n" );
document.write( "2n = 16<BR>\n" );
document.write( "n = 8<BR>\n" );
document.write( "It was 8 years ago when<BR>\n" );
document.write( "Sean was three times his <BR>\n" );
document.write( "brother's age.<BR>\n" );
document.write( "Sean was 20 - 8 = 12<BR>\n" );
document.write( "His brother was 12 - 8 = 4.<BR>\n" );
document.write( "Hope this helps :-) </SPAN>\n" );
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