document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=604534>Question 604534</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the problem by using systems of 2 equations in 2 variables: Ben is 3 years younger than Dan. The sum of their ages is 53. How old is each? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #381254 by </B><A HREF=/tutors/aboutme.mpl?userid=alicealc><B>alicealc(293)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=alicealc><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=381254\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Ben's age = B<BR>\n" );
document.write( "Dan's age = D\r<BR>\n" );
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document.write( "B = D - 3<BR>\n" );
document.write( "B + D = 53<BR>\n" );
document.write( "substitute the first equation into the second equation:<BR>\n" );
document.write( "D - 3 + D = 53<BR>\n" );
document.write( "2D - 3 = 53<BR>\n" );
document.write( "2D = 53 + 3<BR>\n" );
document.write( "2D = 56<BR>\n" );
document.write( "D = 56/2 = 28<BR>\n" );
document.write( "B = D - 3 = 28 - 3 = 25\r<BR>\n" );
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document.write( "so, Ben is 25 years old and Dan is 28 years old<BR>\n" );
document.write( " </SPAN>\n" );
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