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16-03-2021
Mathematics

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4. Which expression is equivalent to - (6x + 9) - (x - 2)?
A. 5x - 3
B. - 2x + 7.5
C. -4x - 3
D. -4x - 6

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16-03-2021

A because 6x + 9 - x + 2 = 5x + 11

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