What is (5+3)+7=5+(3+7) is it Associative, Identity, Commutative or Substitution?
1 answer:
Answer:
Associative
Step-by-step explanation:
The associative property of addition states that you can add numbers however they are grouped inside parentheses.
It doesn't matter where you put the parentheses. You will always get the same answer.
For example,

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180 degrees. in an equilateral triangle, each angle is 60 degrees
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Answer:
n = -11
Step-by-step explanation:
5 + 4(n + 9) = -3,
5 + 4n + 36 = -3,
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Step-by-step explanation:
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