Hệ phương trình (left{ egin{array}{l}2x + y = 5\3x - y = 5end{array} ight.) có nghiệm là :

A. \(\left\{ \begin{array}{l}
x =  - 2\\
y = 1
\end{array} \right.\)

B. \(\left\{ \begin{array}{l}
x = 2\\
y = 1
\end{array} \right.\)

C. \(\left\{ \begin{array}{l}
x =  - 2\\
y =  - 1
\end{array} \right.\)

D. \(\left\{ \begin{array}{l}
x =  - 1\\
y =  - 2
\end{array} \right.\)