The expression is.      

To simplify the expression follow the order of operations: (PEMDAS)

1.      Evaluate the expressions inside Brackets/Parenthesis (P).

2.      Evaluate Powers/Exponents (E).

3.      Multiply and/or Divide in order from left to right (MD).

4.      Add and/or Subtract in order from left to right (AS).

A simple technique for remembering the order pf operations is turned into phrase

“Please Excuse My Dear Aunty Sally”

First operation is evaluating the expression with in parenthesis.

                     (Subtract: ).

Next operation is multiplication.

                             (Multiply: ).

Next operation is Division.

                                       (Division: ).

The value of given expression is 14.