Math Planet has a written lesson and videos to help tutor the skills and procedures needed to complete the elimination method. Check it out by clicking on the button below.

Practice all the skills you watched and read through by clicking on the button below.

]]> Here is another video in which Sal walks through more simple examples of solving a system by substitution. Use your tool kit and watch as he walks through all the steps we took in class.

]]> Practice recognizing direct and inverse variation by following the link below:

The following website works through several examples of direct and inverse variation continuing on to look at examples of combined variation (direct and inverse).

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