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24-08-2017
Mathematics

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Simplify 5(6x - (6 - 7y + 7x) + 6y)

-80x + 87y - 91
-5x + 65y - 30
-82x + 73y - 54
-60x + 9y - 17
None of the above

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Аноним Аноним

24-08-2017

5(6x - (6 - 7y + 7x) + 6y)

= 5(6x - 6 + 7y - 7x + 6y)

= 5(-x + 13y -6)

= -5x +65y -30

Hence, the answer is B.

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