Let $\overline{u} = \left<-3,1\right>$, $\overline{v} = \left<-3,3\right>$, and $\overline{w} = \left<5,0\right>$. Find the vector $\overline{x}$ that satisfies $$3 \overline{u} - \overline{v} + \overline{x} = 8 \overline{x} + \overline{w}.$$

In this case, $\overline{x} =$ .