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sveticcg [70]
3 years ago
13

I need help is it A B C or D

Mathematics
2 answers:
UNO [17]3 years ago
6 0
It's D because -2(-7-7)= -28 and -2(21-7)=-28
gayaneshka [121]3 years ago
5 0
The answer has to be d 
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Step-by-step explanation:

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