Hello!
Answer:
y=9
*The answer must have a positive sign.*
Explanation:
This question's it's about division property of equality.
First, you divide by 4 from both sides of an equation.

And then, you simplify and solve. You can also divide by the numbers from left too right.

Answer: →

Hope this helps!
Thanks!
-Charlie
Have a great day!
:)
:D