Solve the System by the Substitution Method $$\left\{ \begin{array} { l } \frac { x } { 3 } - \frac { y } { 6 } = 1 \\\frac { x } { 7 } - y = 6\end{array} \right.$$

Multiple Choice

Solve the system by the substitution method.
- $$\left\{ \begin{array} { l } \frac { x } { 3 } - \frac { y } { 6 } = 1 \\\frac { x } { 7 } - y = 6\end{array} \right.$$

A) $( - 6,0 )$
B) $( 0 , - 6 )$
C) $( 6,0 )$
D) $( 0,6 )$