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Which of the following number sentences is true? A –9 = –(–9) B –9 = 9 C 9 = (–9) D 9 = –(–9)
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1 vote
Which of the following number sentences is true?

A
–9 = –(–9)
B
–9 = 9
C
9 = (–9)
D
9 = –(–9)

User Honza Javorek
by
8.2k points

2 Answers

3 votes
D, a double negative is always a positive
User Vel Genov
by
8.0k points
4 votes
D because a negative - becomes a positive when multiplied or divided by another negative
User Onik IV
by
8.5k points
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