Perform the Operation or Operations When Possible A) $\left[\begin{array}{rr}-7 & -3 \\6 & 14\end{array}\right]$

Perform the operation or operations when possible.
- $$\left[ \begin{array} { r r } - 5 & - 4 \\7 & 4\end{array} \right] + \left[ \begin{array} { r r } - 9 & 3 \\1 & 2\end{array} \right] - \left[ \begin{array} { r r } 7 & - 2 \\- 2 & 8\end{array} \right]$$

A)
$\left[\begin{array}{rr}-7 & -3 \\6 & 14\end{array}\right]$
B)
$\left[\begin{array}{rr}-3 & -5 \\8 & -6\end{array}\right]$
C)
$\left[\begin{array}{rr}11 & -9 \\4 & 10\end{array}\right]$
D)
$\left[\begin{array}{rr}-21 & 1 \\10 & -2\end{array}\right]$

Correct Answer:

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