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vampirchik [111]
3 years ago
8

9-(-9) How do you show your work for this question?

Mathematics
2 answers:
Marta_Voda [28]3 years ago
8 0

Answer: the answer is 18

Step-by-step explanation:

It is a double negative so just show below this equation

9-(-9)

9+9. Because of double negative

18

statuscvo [17]3 years ago
4 0
Since there are two subtraction symbols they turn into a plus sign. 9+9=18.
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