Answer:

If we see the first two terms contains the variable y (5y and 3y), so we can take this as common factor and we got:

And solving the 5-3 we got:

So then the best answer would be:
2y+12.
Explanation:
We have the following expression:

If we see the first two terms contains the variable y (5y and 3y), so we can take this as common factor and we got:

And solving the 5-3 we got:

So then the best answer would be:
2y+12.