Answer:
No it's not
Explanation:
(9-6)-3 is not equal to 9-(6-3)
The first equation (9-6)-3 = +(9-6)-3 = (3)-3 = 0
The second equation 9-(6-3) = 9 - (3) = 6
Because the equation in the bracket must be solved first so these 2 equations will not equal to other.
Hope this help you :3