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July 31, 2015

Homework Help: algebra

Posted by syram on Wednesday, March 20, 2013 at 4:41pm.

Identify the property or rule that justifies each step in the calculation.
6b+(8b+7c)-9c ____________________
(6b+8b)+(7c-9c)_____________________
(6b+8)b+(7-9)c ____________________

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