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March 1, 2015

Posted by **WInswton** on Monday, May 16, 2011 at 12:36am.

- Algebra -
**Damon**, Monday, May 16, 2011 at 4:09amx + 3x + 4*3x = 480

(1 + 3 + 12)x = 480

16 x = 480

x = 30

3x = 90

12x = 360

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