Hi there! I'll help you out.
We are asked to simplify the following expression:

The way we'll approach this problem is we'll use PEMDAS.
PEMDAS stands for: Parentheses, exponents, multiplication, division, addition, and subtraction.
As you can see, we have several operations in this problem.
According to PEMDAS, division comes first:
We now have:
All we need to do is subtract:
Therefore, the answer is 6.
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Best Wishes!