Fill in the Blank with One of the Words or Phrases

Multiple Choice

Fill in the blank with one of the words or phrases listed below. $$\begin{array} { l l l l } \text { distributive } & \text { absolute value } & \text { inequality } & \text { algebraic expression } \\\text { real } & \text { opposite } & \text { commutative } & \text { exponent } \\\text { recinrocals } & \text { associative } & \text { whole } & \text { variable }\end{array}$$
- 3(x-6) =3 x-18 by the _____ property.

A) commutative
B) associative
C) variable
D) distributive