Determine Whether or Not the Equation Is Linear $$1 - \frac { 3 } { 4 x } = \frac { 9 } { 6 }$$

Multiple Choice

Determine whether or not the equation is linear.
- $$1 - \frac { 3 } { 4 x } = \frac { 9 } { 6 }$$

A) $\left\{ \frac { 3 } { 2 } \right\}$
B) $\{ 6 \rangle$
C) $\left\{ - \frac { 9 } { 4 } \right\}$
D) $\left\{ - \frac { 3 } { 2 } \right\}$