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Problem 11

For the following exercises, solve each system by substitution.

$$

\begin{aligned} 3 x-4 y+2 z &=-15 \\ 2 x+4 y+z &=16 \\ 2 x+3 y+5 z &=20 \end{aligned}

$$

Answer

$x=0.05$

$y=4.90$

$z=\frac{20}{9}$

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## Discussion

## Video Transcript

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