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📰 The final answer is \boxed{-6}.Question: An anthropologist models the migration paths of two ancient tribes as vectors $\vec{u} = \begin{pmatrix} 3 \\ -1 \\ 2 \end{pmatrix}$ and $\vec{v} = \begin{pmatrix} -2 \\ 4 \\ 1 \end{pmatrix}$. There exists a vector $\vec{w} = \begin{pmatrix} a \\ b \\ c \end{pmatrix}$ such that $\vec{w} = 2\vec{u} - 3\vec{v}$. Find $\vec{w}$. 📰 To find $\vec{w}$, we compute the linear combination: 📰 \vec{w} = 2\vec{u} - 3\vec{v} = 2\begin{pmatrix} 3 \\ -1 \\ 2 \end{pmatrix} - 3\begin{pmatrix} -2 \\ 4 \\ 1 \end{pmatrix}