\begin{pmatrix} -6 \\ 6 \end{pmatrix}
Question:
Compute $\begin{pmatrix} 5 \\ -4 \end{pmatrix} + \begin{pmatrix} -11 \\ 10 \end{pmatrix}$.
Answer:
Let's think step by step.

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\begin{pmatrix} -6 \\ 6 \end{pmatrix}
Compute $\begin{pmatrix} 5 \\ -4 \end{pmatrix} + \begin{pmatrix} -11 \\ 10 \end{pmatrix}$.
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