Answer: -8
This question has multiple parts, so let us try to break it down the best we can!
We are given:

We are asked to find the value of:

- Distribute each part of the equation accordingly, we are left with:

- Combine like terms:
- Translate +3 to -3 to effectively isolate the 3x.

- Solve for x alone:

- Plug in our newfound x into the equation

- When solving after plugging in, our answer is -8.