For the System $\left\{ \begin{array} { l } 3 x + 2 y = 1 \\7 x - y = 3\end{array} \right.$

Multiple Choice

For the system $\left\{ \begin{array} { l } 3 x + 2 y = 1 \\7 x - y = 3\end{array} \right.$ , $D _ { x } = - 7$ , $D _ { y } = 2$ and $D = - 17$ . What is the solution of the system?

A) $\left( - \frac { 2 } { 17 } , \frac { 7 } { 17 } \right)$
B) $\left( - \frac { 7 } { 17 } , \frac { 2 } { 17 } \right)$
C) $\left( \frac { 7 } { 17 } , \frac { 2 } { 17 } \right)$
D) $\left( \frac { 2 } { 17 } , - \frac { 7 } { 17 } \right)$
E) $\left( \frac { 7 } { 17 } , - \frac { 2 } { 17 } \right)$