Answer:
B
Step-by-step explanation:
Commutative means that you change the order of an operation. So in this case, the 7 is written on the left of the brackets on the left side of the equation and on the right side of the brackets on the right side of the equation.
You are multiplying not adding. That makes A incorrect.
You have not removed the brackets so the answer is not C.
It's not addition so it's not D.
B
