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09-04-2020
Mathematics

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Which expression is equivalent to a + (c + 7)?
7 a c
a minus (c + 7)
(c + 7) minus a
(a + c) + 7

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09-04-2020

Answer:

(a+c)+7

Step-by-step explanation:

this is called the Associative Property

(x+y)+z=x+(y+z)

Answer Link

09-04-2020

Answer: D. (a+c)+7
Step-by-Step Explanation:
Consider the association property of addition. The way you group addition won’t affect the sum. Therefore D. is the right answer.

Answer Link

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