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January 30, 2015

January 30, 2015

Posted by **Rick** on Thursday, May 6, 2010 at 6:20pm.

- Math -
**bobpursley**, Thursday, May 6, 2010 at 6:31pmif you really have what you wrote, it is zero. Are you certain it is not this...

5a+6b/2 - (5a-6b/2)? That yields 6b

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