Simply.

3 + 4(q + 3) + 4q

6 answers

3+4(q+3)+4q...does it have an equal sign?
or, does it say what q equals?
Yes
3 + 4(q + 3) + 4q
3 + 4q + 12 + 4q

Combine like terms.

15 + 8q
What q equals.
We can't tell what q equals because the problem doesn't have enough information.

Your instructions are to simplify, which I did for you.