Determine Whether or Not the Equation Is Linear $$7 x - 7 - 2 ( x + 1 ) = - ( - 3 x - 4 )$$

Multiple Choice

Determine whether or not the equation is linear.
- $$7 x - 7 - 2 ( x + 1 ) = - ( - 3 x - 4 )$$

A) $\left\{ \frac { 13 } { 7 } \right\}$
B) $\left\{ \frac { 5 } { 7 } \right\}$
C) $\left\{ \frac { 13 } { 2 } \right\}$
D) $\left\{ \frac { 5 } { 2 } \right\}$