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What is the Associative Property of Integers Under Subtraction?

Published in Integer Properties 1 min read

The associative property does not hold for integer subtraction. In simpler terms, the way you group integers in a subtraction problem affects the final result.

Understanding the Associative Property

The associative property, in general, means that you can group numbers differently when performing an operation without changing the outcome. However, this does not apply to subtraction.

Why Subtraction Isn't Associative

According to the provided reference, the associative property doesn't work for subtraction. This means that for integers 'a', 'b', and 'c', the following is true:

a - (b - c) ≠ (a - b) - c

The order in which you perform the subtractions matters.

Example

Let's use some simple numbers to demonstrate:

Scenario Calculation Result
5 - (3 - 1) 5 - (2) 3
(5 - 3) - 1 (2) - 1 1

As you can see, 5 - (3 - 1) gives us 3, while (5 - 3) - 1 gives us 1. The results are different, proving that subtraction is not associative.

Key Takeaway

  • The order of subtraction matters.
  • Grouping integers differently in a subtraction problem will change the result.

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