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On Algebra Avenue, all house numbers have been replaced with math problems, and Santa is fuming with rage. Can you calm him down by solving the equation? Type your answer below.

Fact Lab

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Interesting fact:

Autumn is the season when squirrels gather nuts and bury them in preparation for winter. To help the critters stay on top of their game, their hippocampus increases in size by 15% during autumn months, thereby boosting their memory to help them find the hidden rations again when they need them.