Respuesta :

Answer:

6

Step-by-step explanation:

9s + 3 = 57

9s = 57 - 3

9s = 54

s = 54/9 = 6

I hope im right!!

Answer:

s=6 brainliest please :)

Step-by-step explanation:

9s+3−3=57−3

9s=54

9s

9

=

54

9

s=6