document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=168458>Question 168458</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/1559530030/algebrahomeworkh>KetyTo Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I'm having trouble figuring out this problem to MAKE an equation: [Sean is 20 and his brother is 12. How many years ago was Sean three times as old as his brother?] </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124154 by </B><A HREF=/tutors/aboutme.mpl?userid=midwood_trail><B>midwood_trail(310)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=midwood_trail><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=124154\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The equation is:\r<BR>\n" );
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document.write( "20 - x = 3(12 - x)\r<BR>\n" );
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document.write( "20 - x = 36 - 3x\r<BR>\n" );
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document.write( "20 - 36 = x - 3x\r<BR>\n" );
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document.write( "-16 = -2x\r<BR>\n" );
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document.write( "-16/-2 = x\r<BR>\n" );
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document.write( "8 = x\r<BR>\n" );
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document.write( "Answer is 8 years ago.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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