document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=618469>Question 618469</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The combined age of two people is 75years. In 15years time, one person will be twice the other person's present age. Find their present ages </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #389117 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=389117\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x + y = 75\r<BR>\n" );
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document.write( "2(x + 15) = y + 15 ___ 2x + 15 = y\r<BR>\n" );
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document.write( "substituting ___ x + (2x + 15) = 75 ___ 3x = 60\r<BR>\n" );
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document.write( "solve for x, then substitute back to find y </SPAN>\n" );
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