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Which equations illustrate the commutative property of addition?

Choose exactly two answers that are correct.

A.
–5 + [6 + (–4 + 3.1)] = – 5 + [(–4 + 3.1) + 6]



C.
–7.4 + (13 + 2.1) = (–7.4 + 13) + 21

D.
–9 + 11 = 11 + (–9)

Respuesta :

MartynBH
I believe it is A and D. All you have to do is add them all together and if both sides are the same then its a correct answer. 

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