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r-ruslan [8.4K]
2 years ago
14

The difference between three times a number and seven is twenty. What is the number?

Mathematics
1 answer:
Mama L [17]2 years ago
6 0

Answer:

9

Step-by-step explanation:

(9*3) = 27 which is 20 more than 7

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A small theater sold 72 tickets for a
Mariulka [41]

Answer:

Number of child tickets = 9

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