$\frac{(69{10}^9)0\mathrm{.}001}{2}\left[\begin{array}{ccc}0\mathrm{.}3536& 0\mathrm{.}1768& -0\mathrm{.}3536\\ 0\mathrm{.}1768& 1\mathrm{.}3536& -0\mathrm{.}1768\\ -0\mathrm{.}3536& -0\mathrm{.}1768& 1\mathrm{.}3536\end{array}\right]\left[\begin{array}{c}{Q}_3\\ Q_5\\ Q_6\end{array}\right]=\left[\begin{array}{c}500\\ 0\\ 0\end{array}\right]$ How would you solve for the displacements Q$\_3,$ Q$\_5,$ and Q$\_6$ in the following matrix equation? Please show all steps.