​Use Any Method to Solve the System of Linear Equations,find $$\left\{ \begin{aligned}- x + 3 y & = 15 \\2 x + 3 y & = 6\end{aligned} \right.$$

Multiple Choice

​Use any method to solve the system of linear equations,find (x,y) .​ $$\left\{ \begin{aligned}- x + 3 y & = 15 \\2 x + 3 y & = 6\end{aligned} \right.$$ ​ ​

A) ​(3,4)
B) ​(4,-3)
C) ​​(-3,-4)
D) ​​(-3,4)
E) ​​(4,-3)