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Alex Ar [27]
3 years ago
12

7. What is the value of c so that -9 and 9 are both: olz Hallo

Mathematics
2 answers:
oksano4ka [1.4K]3 years ago
6 0
Positive 18

It’s is + 18


Vitek1552 [10]3 years ago
3 0

Answer:

+18

Step-by-step explanation:

Unless it's multiplucation, then its 8

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