laurenthreet86 laurenthreet86

25-09-2019
Mathematics

contestada

Which of the following expressions is correct?

-(-21) = 21
-(21) = 21
-(-21) = -21
(-21) = 21

Respuesta :

Rickiprejean Rickiprejean

25-09-2019

Answer:

A

Step-by-step explanation:neg X negative = positive

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bringmethehorizon011 bringmethehorizon011

12-03-2020

Answer:

the answer is A

Step-by-step explanation:

Answer Link

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