document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=889092>Question 889092</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Bobby is three years older than twice Arianna’s age. If the total of their ages is 9, how old is Bobby, and how old is Arianna? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #537919 by </B><A HREF=/tutors/aboutme.mpl?userid=Nigelyul><B>Nigelyul(18)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nigelyul><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=Nigelyul><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=537919\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let Bobby's age be \"b\"<BR>\n" );
document.write( "    Arianna's age be \"a\"\r<BR>\n" );
document.write( "\n" );
document.write( "b = 3 + 2a    (The first equation)\r<BR>\n" );
document.write( "\n" );
document.write( "b + a = 9     (The second equation)<BR>\n" );
document.write( "3 + 2a + a = 9(Substitution)<BR>\n" );
document.write( "3 + 3a = 9<BR>\n" );
document.write( "3a = 6<BR>\n" );
document.write( "a = 2\r<BR>\n" );
document.write( "\n" );
document.write( "b = 3 + 2(2)<BR>\n" );
document.write( "b = 7\r<BR>\n" );
document.write( "\n" );
document.write( "Therefore, Bobby's age is 7 years old and Arianna is 2 years old.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );