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Pre-Calculus Matrices

Solving linear systems with matrices

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Questions
Question 1
187183
The system \(\begin{cases}x+2y=8\\ 3x-y=3\end{cases}\) is written as the matrix equation \(AX=B\). What is the coefficient matrix \(A\)?
\(\begin{pmatrix}1 & 2\\ 3 & -1\end{pmatrix}\)

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