Question

Which of the following equations is an example of the Associative Property of Addition?

Answer 1

Answer: I think the answer to your question is option B.

Answer 2

Answer: Choice B

(3+4) + 2 = 3 + (4+2)

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Explanation:

The general rule for the associative property of addition is

(a+b)+c = a+(b+c)

the a,b,c stay in the same order from left to right. The only thing that changes is the way we group the pair of terms. On the left side, we have a & b together with c left out. Then on the right side, we have b & c together with 'a' excluded.

Addition of any group of numbers can be done in any order, which is why this property is valid (though perhaps there's a more rigorous proof out there). For this specific problem, a = 3, b = 4, and c = 2.