document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=357656>Question 357656</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Matthew is 3 times as old as Jenny. In 7 years, he will be twice as old as she will be then. How old is each now? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #255327 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=255327\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> m = 3j,<BR>\n" );
document.write( "m+7 = 2(j+7).  Substituting the first equation into the 2nd, we get<BR>\n" );
document.write( "3j+7 = 2j+14, and so<BR>\n" );
document.write( "j = 7, and m = 21.<BR>\n" );
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