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

Answer Link
bringmethehorizon011
bringmethehorizon011 bringmethehorizon011
  • 12-03-2020

Answer:

the answer is A

Step-by-step explanation:

Answer Link

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