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Matrix Operations

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Question #2.
Simplify $ \begin{bmatrix} 1 & -5 \\ 4 & 1 \end{bmatrix} + \begin{bmatrix} -2 & -2 \\ -5 & 1 \end{bmatrix} - \begin{bmatrix} 3 & 3 \\ -5 & 2 \end{bmatrix} $
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