Solve the System by the Best Method $$\left\{ \begin{array} { l } 8 x + 98 = 6 y \\- 3 x - 4 y = - 7\end{array} \right.$$

Multiple Choice

Solve the system by the best method. Use set notation to express the solution set.
- $$\left\{ \begin{array} { l } 8 x + 98 = 6 y \\- 3 x - 4 y = - 7\end{array} \right.$$

A) $\{ ( - 8,8 ) \}$
B) no solution; $\varnothing$
C) $\{ ( - 7,8 ) \}$
D) $\{ ( - 7,7 ) \}$