已知\(x\)、\(y\)满足方程组\(\left\{ {\begin{array}{*{20}{l}} {x + 5y = 12} \\\ {3x

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已知\(x\)、\(y\)满足方程组\(\left\{ {\begin{array}{*{20}{l}}
{x + 5y = 12} \\
{3x - y = 4}
\end{array}} \right.\)，则\(x + y\)的值为\((\)　　\()\)

A.\( - 4\)

B.4

C.\( - 2\)

D.2

参考答案：B