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Mathematics 8 Online
OpenStudy (anonymous):

Distribute and then combine like terms to simplify this expression : 7(3x+y)+7(x+3y)−7(3x+3y)

OpenStudy (anonymous):

To tell you the truth, this is really simple, all you have to do is multiply each one and add them together, combining like terms. The answer is: 7x+7y

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