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Properties of Addition and Subtraction of Integers

Question

Fill in the blank :
$[(- 12) + (- 15)] + (- 5) = (- 12) + [(- 15) + . . . . .]$
$(- 12)$
$(- 15)$
$(- 5)$
$5$

A

(- 12)

B

(- 15)

C

5

D

(- 5)

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Solution

Verified by Toppr

Addition is associative for integers
$i . e . (a + b) + c = a + (b + c)$
$∴ [(- 12) + (- 15)] + (- 5) = (- 12) + [(- 15) + (- 5)]$
So, $C$ is correct.

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