Negative
variables are the hardest part of inequalities. Remember there is an invisible
1 in front of any variables that do not have a number. As before you
are not finding the exact answer, but one that is greater than or less
than a particular number.
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NOTE:
UPDATED MOVIE - ANIMATED IN FLASH
To play the movie, the Flash player must be installed. Your browser needs to
be configured to use the Flash Player as an application (see your browser preferences).
If you are using Internet Explorer for Windows, you must install the latest Flash Plug
in at (See
www.macromedia.com/ flash player).
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