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maxonik [38]
3 years ago
12

I need help please?!!!

Mathematics
1 answer:
masha68 [24]3 years ago
4 0

Answer:

-5

Step-by-step explanation:

7c and the opposite of 7c cancel out. 7c + (-7c) = 7c - 7c = 0 so the rest is -5

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