\

\

\"\"

\

The expression is  \"\" \ \

\

To simplify the expression following order of operations to performed:

\

1.      Evaluate the expressions inside grouping symbols.

\

2.      Evaluate Powers.

\

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

\

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

\

\"\"

\

According order of operations inside the grouping symbols should be evaluated first.

\

First operation is adding the values within the parenthesis.

\

\"\"             (Substitute 5, 9 and 7 for a, c and b)

\

\"\"                     (Add 5 and 9: \"\")

\

Next operation is Division.

\

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

\

\"\"

\

The value of the expression is 2.

\