document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=253038>Question 253038</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two years ago, Anton was a three times as old as his sister, Nathalie. In 4 years, he will be only twice his sister's age. Find their present ages. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #185249 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=185249\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (a-2)=3*(n-2)<BR>\n" );
document.write( "(a+4)=2*(n+4)<BR>\n" );
document.write( "Multiply out to remove parentheses.<BR>\n" );
document.write( "a-2 = 3 n-6<BR>\n" );
document.write( "a+4 = 2 n+8<BR>\n" );
document.write( "in the first add 6 to both sides<BR>\n" );
document.write( "a+4 = 3n<BR>\n" );
document.write( "a = 2 n+4<BR>\n" );
document.write( "How to continue?<BR>\n" );
document.write( "Either solve the first for a and then set the two a's equal<BR>\n" );
document.write( "OR substitute 2n+4 for a in the first <BR>\n" );
document.write( "a=20 <BR>\n" );
document.write( "n=8\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );