Respuesta :

Answer:

11

Step-by-step explanation:

Let the number=x

(x+8)*3=57

3x+24=57

3x=33

x=11

Answer:

Let the number be x,

ATQ,

3(8+x)=57

8+x=57/3

x= (57/3)-8

=57/3 - 24/3

= 33/3= 11