Complete the following using properties of integers.
$(- 87) + 87 =______$

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Solution

By using additive inverse property which states that for every non-zero integer, there is another non-zero integer $- a$ (called additive inverse of $a$ ) such that $a + (- a) = 0 .$
Since, $(- 87) + 87 = 0$
Hence, using additive inverse property, there will be $0$ in blank.

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