Express the vector $\vec{v}= \left[\begin{array}{c} -12\cr -10 \end{array}\right]$ as a linear combination of $\vec{x}= \left[\begin{array}{c} -4\cr 1 \end{array}\right]$ and $\vec{y}=\left[\begin{array}{c} -3\cr 4 \end{array}\right]$.

$\vec{v} =$ $\vec{x}+$ $\vec{y}$.