SOLUTION: Is this the proper way to solve the following order of operations problem? 39-9(2/3) 39-18/3 39-6 33

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Question 50293: Is this the proper way to solve the following order of operations problem?
39-9(2/3)
39-18/3
39-6
33
Answer by BGluvsmath(64) About Me  (Show Source):
You can put this solution on YOUR website!
Yes, because:
ORDER OF OPERATIONS
LEVEL 1: Simplify within symbols of grouping:
Parentheses ( ), brackets [ ], set braces { }, above or below
fraction bars, and absolute value bars | | (see next section).
LEVEL 2: Raise to the power (i.e. exponents).
LEVEL 3: Multiply or divide in order from left to right.
LEVEL 4: Add or subtract in order from left to right.