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09-04-2015
Mathematics

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Combine like terms.

8 + 16r – 9r

A.
8 + 7r

B.
15r

C.
15

D.
8 – 7r

Respuesta :

AnswerMyQuestions AnswerMyQuestions

09-04-2015

First, you subtract 16r by 9r, which gives you 7r, so that leaves you with 8 + 7r. You cannot add a normal number and a number with a variable, so that's all you can do, so your answer is A.

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