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12-09-2019
Mathematics

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Which expressions are equivalent to 6 +(–x) + 2x + (–7) + 2x?

Respuesta :

12-09-2019

+(-x) = -X
+(-7) = -7

So
6-x+2x-7+2x
Simplifies to
3x-1

So your answer is 3x-1

Hope this helps

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