Respuesta :

Answer:

[tex]y = \frac{g+9}{3}[/tex]

Step-by-step explanation:

g = 3y -9

start by adding 9 to each side:

g + 9 = 3y

now divide by 3 on each side to get y alone:

[tex]y = \frac{g+9}{3}[/tex]

hope this helps!