document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1005084>Question 1005084</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Alvin is 30 years older than his daughter ezra. 20 years from now he will be 4 years more than twice than ezra . What are their 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 #621412 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=621412\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Call their ages NOW, a and e.<BR>\n" );
document.write( "Then we have<BR>\n" );
document.write( "a = e + 30 and<BR>\n" );
document.write( "a + 20 = 2(e + 20) + 4<BR>\n" );
document.write( "Now substitute in for a in the second equation and get<BR>\n" );
document.write( "e + 30 + 20 = 2(e + 20) + 4<BR>\n" );
document.write( "e + 50 = 2e + 40 + 4<BR>\n" );
document.write( "e + 50 = 2e + 44<BR>\n" );
document.write( "e + 6 = 2e<BR>\n" );
document.write( "e = 6<BR>\n" );
document.write( "a is then 36. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );