duraalexa90 duraalexa90
  • 23-10-2020
  • Mathematics
contestada


When a number n is decreased by 12 and then the result is multiplied by 3, the product is equal to 21 . Write an equation and solve it to find the value of n .
The equation is , The value is .

Respuesta :

sheenabyrnes sheenabyrnes
  • 23-10-2020

Answer:

(n-12)*3=21

Step-by-step explanation:

21/3 = 7

7+12 =19

19=n

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