Find the Inverse of the Matrix $A = \left[ \begin{array} { r r } 14 & - 6 \\- 7 & 3\end{array} \right]$

Find the inverse of the matrix.
- $A = \left[ \begin{array} { r r } 14 & - 6 \\- 7 & 3\end{array} \right]$