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Nat2105 [25]
2 years ago
8

Seven times a number is equal to 12 more than 3 times the number. find the number.

Mathematics
1 answer:
ankoles [38]2 years ago
3 0

Answer:

the number is 3

Step-by-step explanation:

seven times a number is equal to 12 more than 3 times the number

7*n = 12+3*n

7n=12+3n

subtract 3n from each side

7n-3n = 12+3n-3n

4n = 12

divide each side by 4

4n/4 = 12/4

n =3

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