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03-10-2017
Mathematics

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Which expression is equivalent to 3x+10−x+12?

A: 4x + 22
B: 2x + 22
C: 24x
D: 26x

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Аноним Аноним

03-10-2017

The answer is B: 2x+22

3x+10-x+12
=3x-x+10+12
=2x+22

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