document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=891640>Question 891640</A>: <I><SPAN STYLE=\"word-break: break-all;\"> frank is 15 years younger than john.in 5 years john will be twice as old as frank,how old will frank be in 4 yeras<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #539888 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=539888\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> frank is 15 years younger than john.in 5 years john will be twice as old as frank,how old will frank be in 4 years<BR>\n" );
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document.write( "let x=john\"s age<BR>\n" );
document.write( "x-15=frank's age<BR>\n" );
document.write( "in 5 years:<BR>\n" );
document.write( "x+5=john's age<BR>\n" );
document.write( "x-15+5=x-10=frank's age<BR>\n" );
document.write( "x+5=2(x-10)<BR>\n" );
document.write( "x+5=2x-20<BR>\n" );
document.write( "x=25<BR>\n" );
document.write( "in 4 yrs<BR>\n" );
document.write( "x-15+4=x-11=25-11=14<BR>\n" );
document.write( "how old will frank be in 4 years=14 </SPAN>\n" );
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