\"\"

\

The perimeter of the hexagon from the diagram is \"\"

\

\"\"(Apply distributive property: \"\")

\

\"\"            (Multiply: \"\")

\

\"\"         (Apply distributive property: \"\")

\

\"\"                (Multiply: \"\")

\

\"\"                (Apply commutative property of addition: \"\")

\

\"\"                      (Add: \"\")

\

\"\"

\

The standard form of the expression is \"\". \ \