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September 21, 2014

September 21, 2014

Posted by **dillon** on Tuesday, March 6, 2012 at 7:24pm.

- math -
**MathMate**, Tuesday, March 6, 2012 at 11:16pmy=x+9

what is y when x=20?

So substitute 20 for x in the equation and simplify the right-hand side.

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