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Problem 29

For the following exercises, solve each system by Gaussian elimination.

$$

\begin{aligned} 6 x-5 y+6 z &=38 \\ \frac{1}{5} x-\frac{1}{2} y+\frac{3}{5} z &=1 \\-4 x-\frac{3}{2} y-z &=-74 \end{aligned}

$$

Answer

$\left(\frac{4}{7},-\frac{1}{7},-\frac{3}{7}\right)$

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## Discussion

## Video Transcript

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