3 years ago

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Mathematics

1 answer:

Nikitich [7]3 years ago

4 0

Answer:

Step-by-step explanation:

A is not, because 2-5x = -5x+2

(nothing has changed but the order)

B is not, because 3-5+2x = 2x-2

because 3-5 = -2. so -2+2x can be rewritten as 2x-2.

C is not, because 5x-2x = 3x

because you combine like terms, and 5-2 is 3

D is, because 2x-2+3x = 5x-2

because you combine like terms (2x+3x=5x) and -2 is left.

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