Answer: x = 11
Explanation:
2(x+7) = 36
x + 7 = 18 <-- dividing both sides by two
x = 11
There are multiple different paths you can take in order to get this answer, all equally simple. You could open up the bracket, move to one side, and then divide, however if you were to have the answer in the most efficient and least amount of steps I would suggest doing this.