Solve the System by Using Either the Substitution Method or the Elimination-By-Addition

Multiple Choice

Solve the system by using either the substitution method or the elimination-by-addition method, whichever seems more appropriate. $$\left( \begin{array} { c } \frac { 1 } { 2 } x - \frac { 1 } { 6 } y = - 12 \\\frac { 1 } { 2 } x + \frac { 1 } { 4 } y = 8\end{array} \right)$$

A) (-10, 46)
B) (-8, 48)
C) (-10, 48)
D) dependent
E) inconsistent