Solve the System of Equations by Either the Addition Method $\left\{ \begin{array} { l } 2 x + 3 y = 18 \\3 x - 4 y = - 42.7\end{array} \right.$

Multiple Choice

Solve the system of equations by either the addition method or the substitution method.
- $\left\{ \begin{array} { l } 2 x + 3 y = 18 \\3 x - 4 y = - 42.7\end{array} \right.$

A) $( - 3.3,8.2 )$
B) no solution
C) infinite number of solutions
D) $( 8.2 , - 3.3 )$