document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=8276>Question 8276</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Tony is 6 years older than his brother. 4 years ago, he was twice as old\r<BR>\n" );
document.write( "\n" );
document.write( "How old is Tony<BR>\n" );
document.write( "How old is his brother </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #4549 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=4549\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let T = Tony's age now and B = his brother's age now.\r<BR>\n" );
document.write( "\n" );
document.write( "T = B + 6  Tony is 6 years older than his brother.<BR>\n" );
document.write( "T - 4 = 2(B - 4) Tony's age 4 years ago (T-4) was twice his brother's age (2(B-4))\r<BR>\n" );
document.write( "\n" );
document.write( "Substitute T = B + 6 into the second equation, simplify and solve for B.\r<BR>\n" );
document.write( "\n" );
document.write( "(B + 6)-4 = 2(B - 4)<BR>\n" );
document.write( "B + 2 = 2B - 8 Subtract B from both sides.<BR>\n" );
document.write( "2 = B - 8 Add 8 to both sides.<BR>\n" );
document.write( "B = 10 His brother's age is 10 years.<BR>\n" );
document.write( "T = B + 6 = 10 + 6 = 16 Tony's age is 16 years. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );