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Which of the following expressions is correct? -(-21) = 21 -(21) = 21 -(-21) = -21 (-21) = 21
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5 votes
Which of the following expressions is correct?

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

User Quibblesome
by
8.6k points

2 Answers

2 votes

Answer:

the answer is A

Explanation:

User Tiernan
by
7.7k points
2 votes

Answer:

A

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

User David Clews
by
8.4k points
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