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August 20, 2014

August 20, 2014

Posted by **kattie** on Monday, January 3, 2011 at 11:54pm.

- algebra -
**Henry**, Wednesday, January 5, 2011 at 4:40pm7S + 10 = 3S + 50.

7S - 3S = 50 - 10,

4S = 40,

S = 40 / 4 = 10.

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