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December 21, 2014

December 21, 2014

Posted by **sami sun** on Monday, October 15, 2012 at 6:48pm.

- Algebra -
**mike**, Monday, October 15, 2012 at 7:21pmChris is x Matt is x+9

2x+9=20

2x=11

x=5.5

Chris = 5.5

Matt= 5.5+9 = 14.5

5.5 +14.5 = 20

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