Perform the Operation or Operations When Possible A) $\left[\begin{array}{r}7 x+3 y \\10 k-7 z \\5 w+8 v \\4 m-12 n\end{array}\right]$

Perform the operation or operations when possible.
- $\left[\begin{array}{r}2 x+7 y \\7 k-2 z \\-3 w+5 v \\6 m-9 n\end{array}\right]-\left[\begin{array}{r}-5 x-4 y \\-3 k-5 z \\-8 w+3 v \\2 m-3 n\end{array}\right]$

A)
$\left[\begin{array}{r}7 x+3 y \\10 k-7 z \\5 w+8 v \\4 m-12 n\end{array}\right]$

B)
$\left[\begin{array}{r}-3 x+3 y \\4 k-7 z \\-11 w+8 v \\8 m-12 n\end{array}\right]$

C)
$\left[\begin{array}{r}-3 x+11 y \\4 k+3 z \\-11 w+2 v \\8 m-6 n\end{array}\right]$

D)
$\left[\begin{array}{c}7 x+11 y \\10 k+3 z \\5 w+2 v \\4 m-6 n\end{array}\right]$