\"\"

\

The expression is \"\"                  

\

\"\"              (Replace z with 9 in original expression)

\

\"\"

\

By the order of operations (PEMDAS):

\

Since there are no grouping symbols and powers,

\

First operation is multiplication.

\

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

\

\"\"

\

Next operation is addition.

\

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

\

\"\"

\

The value of the expression is 38.