document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=245764>Question 245764</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A is twice as old as B,three years ago,A was three times as old as B,how old is A now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #179465 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=179465\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a=2b<BR>\n" );
document.write( "a-3=3(b-3)<BR>\n" );
document.write( "substitute<BR>\n" );
document.write( "2b-3=3(b-3)<BR>\n" );
document.write( "2b-3=3b-9<BR>\n" );
document.write( "subtract 2b from both sides<BR>\n" );
document.write( "-3=b-9<BR>\n" );
document.write( "add nine to both sides<BR>\n" );
document.write( "6=b<BR>\n" );
document.write( "a=2b=12<BR>\n" );
document.write( "check<BR>\n" );
document.write( "a-3=(3(b-3)<BR>\n" );
document.write( "12-3=3(3)<BR>\n" );
document.write( "9=9\r<BR>\n" );
document.write( "\n" );
document.write( "ok </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );