document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=649317>Question 649317</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A man is 42 years old and his son is 12. In how many years will the father be twice as old as his son. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #406914 by </B><A HREF=/tutors/aboutme.mpl?userid=unlockmath><B>unlockmath(1688)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=unlockmath><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=unlockmath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=406914\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello, <BR>\n" );
document.write( "We can set up an equation where x represents the years. <BR>\n" );
document.write( "42+x=(12+x)2<BR>\n" );
document.write( "Expand:<BR>\n" );
document.write( "42+x=24+2x<BR>\n" );
document.write( "Subtract x and 24:<BR>\n" );
document.write( "x=18 years<BR>\n" );
document.write( "Make sense?<BR>\n" );
document.write( "RJ<BR>\n" );
document.write( "www.math-unlock.com </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );