Use inverse matrices to solve the system of linear equations. −2𝑥 + 𝑦=−12 3𝑥 + 4𝑦=−1
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\[ \begin{cases} -2x + y = -12 \\ 3x + 4y = -1 \end{cases} \] Matrix form: \[ \begin{bmatrix} -2 & 1 \\ 3 & 4 \end{bmatrix} \begin{bmatrix} x \\ y \end{bmatrix} = \begin{bmatrix} -12 \\ -1 \end{bmatrix} \] Show more…
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