document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1136789>Question 1136789</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The age of a man seven years ago was seven times the age of his son. Father's age after 3 years will be three times the age of the son. 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 #754612 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=754612\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "The age of a man seven years ago was seven times the age of his son.<br><BR>\n" );
document.write( "So let their ages 7 years ago be x and 7x.<br><BR>\n" );
document.write( "Father's age after 3 years will be three times the age of the son.<br><BR>\n" );
document.write( "3 years from now is 10 years after 7 years ago.  So in 3 years their ages will be x+10 and 7x+10.<br><BR>\n" );
document.write( "Write and solve the equation that says in 3 years the man's age will be 3 times the son's age:<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7x%2B10+=+3%28x%2B10%29 ALIGN=MIDDLE  ALT=\"7x%2B10+=+3%28x%2B10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "Then, after solving the equation for x, remember that the question asks for their current ages, which are x+7 and 7x+7. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );