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Mathematics, 18.09.2019 16:00 ionmjnm9701

When simplified, which of the following expressions has a coefficient of 5?
-4x - 9x
-4x + 9x
4x - 9x
4x - (-9x)

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When simplified, which of the following expressions has a coefficient of 5?
-4x - 9x
-4...

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