document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=451997>Question 451997</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am having trouble setting up the system for the following problem:  \r<BR>\n" );
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document.write( "The sum of Tom's age and Vanessa's age is 72.  In 9 years the sum of their ages will be twice Tom's present age.\r<BR>\n" );
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document.write( "I know the first equation for the first sentence is:  t + j = 72.  What about the second sentence?\r<BR>\n" );
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document.write( "Thank you!<BR>\n" );
document.write( "~Gina </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #310739 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=310739\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The sum of Tom's age and Vanessa's age is 72. \r<BR>\n" );
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document.write( "In 9 years the sum of their ages will be twice Tom's present age. <BR>\n" );
document.write( "I know the first equation for the first sentence is: t + j = 72. What about the second sentence? <BR>\n" );
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document.write( "t + j = 72<BR>\n" );
document.write( "(t+9)+(j+9) = 2t<BR>\n" );
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document.write( "Substitute for \"t\" and solve for \"j\":<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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