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Properties of Addition of Integers

23 + (-21) - ...

Question

23 + (-21) - 4 = ?

A

-1

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B

-2

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C

-3

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D

-4

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Solution

The correct option is B -2
23 + (-21) +(- 4)
= 23 + (-21 -4)
= 23 - 25
= -2

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