If \( \left[\begin{array}{cc}2 x+y & 4 x \\ 5 x-7 & 4 x\end{array}\...

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If \( \left[\begin{array}{cc}2 x+y & 4 x \\ 5 x-7 & 4 x\end{array}\right]=\left[\begin{array}{cc}7 & 7 y-13 \\ y & x+6\end{array}\right] \), then the value of \( x+y \) is
P
(A) \( x=3, y=1 \)
(B) \( x=2, y=3 \)
W
(C) \( x=2, y=4 \)
(D) \( x=3, y=3 \)
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