Use Cramer's Rule, If Possible, to Solve the System of Linear

Multiple Choice

Use Cramer's Rule, if possible, to solve the system of linear equations.
- $$\left\{ \begin{array} { l } x + 4 y = 12 \\\frac { 1 } { 2 } x - y = - 10\end{array} \right.$$

A) $\left( - \frac { 28 } { 3 } , \frac { 16 } { 3 } \right)$
B) $\left( \frac { 52 } { 3 } , \frac { 56 } { 3 } \right)$
C) $( 28,24 )$
D) not possible