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What property was used to write these equivalent expressions?(4 + 7) + 9 and 4 + (7 + 9)A. Commutative property of additionB. Associative property of additionC. Identity property of additionD. Distributive propertyPlease tell me the answer



Answer :

Given:

(4 + 7) + 9 and 4 + (7 + 9).

Associativity property of addition:

Changing the grouping of the addition of numbers does not change the sum.

[tex](a+b)+c=a+(b+c)[/tex]

So, the given expressions will be equivalent using the Associative property of addition.

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