document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1057485>Question 1057485</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In 8 years, a boy will be three times as old as he was 4 years ago. Find his present age. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #672524 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=672524\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  In 8 years, a boy will be three times as old as he was 4 years ago.<BR>\n" );
document.write( " Find his present age.<BR>\n" );
document.write( ":<BR>\n" );
document.write( "let a = his present age<BR>\n" );
document.write( "Write an equation for exactly what it says<BR>\n" );
document.write( "a + 8 = 3(a - 4)<BR>\n" );
document.write( "a + 8 = 3a - 12<BR>\n" );
document.write( "8 + 12 = 3a - a<BR>\n" );
document.write( "20 = 2a<BR>\n" );
document.write( "a = 20/2<BR>\n" );
document.write( "a = 10 yrs is his present age<BR>\n" );
document.write( ";<BR>\n" );
document.write( ";<BR>\n" );
document.write( "see if it works<BR>\n" );
document.write( "10 + 8 = 3(10 - 4)<BR>\n" );
document.write( "18 = 3(6)  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );