Solve the System of Equations by the Addition Method $\left\{ \begin{array} { l } 4 x + y = 3 \\5 x - y = 6\end{array} \right.$

Multiple Choice

Solve the system of equations by the addition method.
- $\left\{ \begin{array} { l } 4 x + y = 3 \\5 x - y = 6\end{array} \right.$

A) infinite number of solutions
B) no solution
C) $( 1 , - 1 )$
D) $( - 1,1 )$