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

$$

\begin{aligned} \frac{1}{2} x-\frac{1}{5} y+\frac{2}{5} z &=-\frac{13}{10} \\ \frac{1}{4} x-\frac{2}{5} y-\frac{1}{5} z &=-\frac{7}{20} \\-\frac{1}{2} x-\frac{3}{4} y-\frac{1}{2} z &=-\frac{5}{4} \end{aligned}

$$

## Discussion

## Video Transcript

so we were orange. Are already will have the X entry on Lee involved in the X. And is that so? From gonna enjoy what you Adam up to eliminate. A Y 21 plus two implies that not a tree. Thanks. Yes, for present. We could use a row and have Thanks. Minister sent me. Giselle. So there's a means that we were having the Ah, we, uh I want to apply this one by, um far. And then we add him, huh? With again, huh? Far seven. Thanks. Quick coaches. Oh, doesn't implies that X Jizo on sort of implies that in coach's ex, and he could use her as well. And also from the first question is it symbolized? What else are you good to go? So we have only unique social here explains that in culture zero

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