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Mathematics, 15.11.2019 17:31 genyjoannerubiera

Which of the following number sentences is true?
a
–9 = –(–9)
b
–9 = 9
c
9 = (–9)
d
9 = –(–9)

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Answers: 2
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You know the right answer?
Which of the following number sentences is true?
a
–9 = –(–9)
b
–9 = 9

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