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Why are 2.15 and -2.15 opposites explain

User Petersohn
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2 Answers

2 votes
On a number line, 2.15 and -2.15 are the same distance away from 0. Therefore, they are opposites.
If you were to add 2.15 and -2.15 you'd get 0.
User Iftikharyk
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5 votes
Because the opposite of a positive(+) is a negative(-).
User Mbq
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