document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=493847>Question 493847</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if tammy is x years old now, how old was she 11 years ago </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #335477 by </B><A HREF=/tutors/aboutme.mpl?userid=swincher4391><B>swincher4391(1107)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=swincher4391><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=swincher4391><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=335477\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> At that time, she would have been x-11 years old.\r<BR>\n" );
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document.write( "If Tammy is 21 years old now, how old was she 11 years ago? Seems trivial, she was 10 years old.\r<BR>\n" );
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document.write( "Now lets assign 21 years old its own name, call it x.  How did you arrive at 10 years old?  You subtracted 11.\r<BR>\n" );
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document.write( "Subtract 11 to both sides.\r<BR>\n" );
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document.write( "x-11 = 10\r<BR>\n" );
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document.write( "So you just said that 10 was the answer, but clearly x-11 is equivalent to 10 in this problem.  So, we can say for any x, 11 years ago, can be represented as x-11.\r<BR>\n" );
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document.write( "Make sense?\r<BR>\n" );
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