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14 July, 04:14

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

7 a c

a minus (c + 7)

(c + 7) minus a

(a + c) + 7

+1
Answers (2)
  1. 14 July, 04:26
    0
    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.
  2. 14 July, 04:38
    0
    (a+c) + 7

    Step-by-step explanation:

    this is called the Associative Property

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