OpenStax, Algebra and Trigonometry 2e §11.5 Matrices and Matrix Operations · Example 1 · Linear Algebra · Matrices

Matrices and Matrix Operations · Example 1

ⓐ $\left\{\begin{matrix} 3 x - y = - 1 \\ 2 y = 2 x + 5 \end{matrix}\right$
ⓑ $\left\{\begin{matrix} 4 x + 3 y = - 2 \\ x - 2 y - 3 z = 7 \\ 2 x - y + 2 z = - 6 \end{matrix}\right$

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OpenStax, Algebra and Trigonometry 2e · §11.5 Matrices and Matrix Operations · Example 1

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