The solution to the system of equations

$\begin{bmatrix} 2 & 5\\-4 &3 \end{bmatrix}\begin{bmatrix} x\\y \end{bmatrix}=\begin{bmatrix} 2\\ -30 \end{bmatrix}$ is

1. $6,2$
2. $-6,2$
3. $-6,-2$
4. $6,-2$