Respuesta :

Answer:

Step-by-step explanation:

let the number be x

(x+6)/3   =21

x+6=21*3

x+6=63

x=57

Esther

Answer:

The number is 57

Step-by-step explanation:

[tex]\frac{(n + 6) }{3}[/tex] [tex]= 21\\[/tex]

[tex]3(\frac{(n + 6) }{3})[/tex] [tex]= 21\\[/tex]

n + 6 = 63

  - 6    - 6

n = 57

Hope that helps!

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