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

asked Dec 27, 2017 117k views

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2 votes

Answer:

-4x + 9x is your answer

hope this helps :)

Explanation:

Erf answered Dec 28, 2017

by Erf

8.0k points

1 vote

-4x - 9x = -13x
-4x + 9x = 5x
4x - 9x = -5x
4x - (-9x) = 4x + 9x = 13x
i.e. the second option is the answer

Heltonbiker answered Jan 3, 2018

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