BeautyQueen97 BeautyQueen97

15-11-2017
Mathematics

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Which of the following identifies all of the integer solutions of the equation |x| = 21?

0 and 21
-21 only
21 only
21 and -21

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Аноним Аноним

15-11-2017

the absolute value of 21 is 21 and the absolute value of -21 is also 21.

So its D

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