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malfutka [58]
3 years ago
12

Helppppppppppp. Pleaseeeeeeeeeeeeeeeeeeeeeeeeeeee

Mathematics
2 answers:
olga55 [171]3 years ago
6 0

Answer:

7

Step-by-step explanation:

form a proportion

12/2=42/x

cross multiply

12x=84

x=7

docker41 [41]3 years ago
5 0
Ok so The answer is x= 7
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