SOLUTION: Solve by removing the inner parentheses first and working outward. 2x-[9x-(x+7)]

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Question 343312: Solve by removing the inner parentheses first and working outward.
2x-[9x-(x+7)]
Answer by akc(7) About Me  (Show Source):
You can put this solution on YOUR website!
=2 x - [9 x - x -7]
=2 x - [8x -7]
= 2 x - 8 x + 7
= - 6 x + 7