Name the property used:
${- 15 + 7} + (- 18) = 15 + {7 + (- 18)}$ .

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Solution

We know that associate property states that results are the same when we group them in a different way.
i.e. $(a + b) + c = a + (b + c)$
Since ${- 15 + 7} + (- 18) = 15 + {7 + (- 18)}$ follows the above property.
Hence, the property used in the given expression is the associative property.

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Similar questions

Name the property used:

1) $40 + (- 37) = - 37 + 40$

2.) $15 - 103$ is an integer.

3.) $- 21 + 70$ is an integer.

4.) $(- 15 + 7) + (- 18) = - 15 + (7 + (- 18))$

(15 - 12) \times 18 = 15 \times 18 - 12 \times 18

(15 - 12) \times 18 = 15 \times 18 - 12 \times 18)

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