\"\"

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The expression is \"\"

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\"\"              (Substitute \"\")

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

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

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2.      Evaluate Powers/Exponents (E).

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

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

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

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“Please Excuse My Dear Aunty Sally”\"\"

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First operation is Evaluate the expressions Parenthesis.

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\"\"                   (Multiply: \"\")

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\"\"                       (Multiply: \"\")

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\"\"                                 (Add: \"\")

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Next operation is Division.

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\"\"                                         (Divide: \"\")

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\"\"

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The value of the expression is 7.