document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=830285>Question 830285</A>: <I><SPAN STYLE=\"word-break: break-all;\"> four years hence a boy will be twice as old as he was 6 years ago. what is his 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 #500484 by </B><A HREF=/tutors/aboutme.mpl?userid=LinnW><B>LinnW(1048)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=LinnW><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=LinnW><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=500484\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Set x = current age<BR>\n" );
document.write( "(x+4) is four years from now<BR>\n" );
document.write( "(x-6) is six years ago\r<BR>\n" );
document.write( "\n" );
document.write( "(x+4) = 2(x-6)<BR>\n" );
document.write( "x+4 = 2x -12<BR>\n" );
document.write( "add -4 to each side<BR>\n" );
document.write( "x = 2x -16<BR>\n" );
document.write( "add -2x to each side<BR>\n" );
document.write( "-x = -16<BR>\n" );
document.write( "x = 16<BR>\n" );
document.write( "The boy is 16.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );