Respuesta :

Answer: Distubitive Property

Step-by-step explanation:

I chose that because if you see -7 + nothing. Then there is (). So when there is nothing there that just means 1. so it would be 1(-7 + 3 ) + 9 = -7 + 1 ( 3 + 9 )!

So you would times 1 x 3 and 9 and yeah!

I did this on my last unit test!

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