document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=964374>Question 964374</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Adam is x years old. His father is 21 years older than Adam. His brother is 3 years younger than Adam. The brothers ages added together equal their father's age.<BR>\n" );
document.write( "Write an equation using X. \r<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 #589304 by </B><A HREF=/tutors/aboutme.mpl?userid=hkwu><B>hkwu(60)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=hkwu><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=hkwu><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=589304\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let F denote the father's age. Let B denote Adam's brother's age. Then<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=F=x%2B21 ALIGN=MIDDLE  ALT=\"F=x%2B21\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B=x%2B3 ALIGN=MIDDLE  ALT=\"B=x%2B3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2BB=F ALIGN=MIDDLE  ALT=\"x%2BB=F\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So we conclude<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B%28x%2B3%29=x%2B21 ALIGN=MIDDLE  ALT=\"x%2B%28x%2B3%29=x%2B21\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2B3=x%2B21 ALIGN=MIDDLE  ALT=\"2x%2B3=x%2B21\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=18 ALIGN=MIDDLE  ALT=\"x=18\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Adam is 18 years old.<BR>\n" );
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document.write( "Leave a message if I helped. </SPAN>\n" );
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