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Questions: Algebra BusinessCalculus
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Solve the linear system \(\displaystyle \begin{cases} x + 7 y - 9 z = 139 \\ - 9 x + 6 y - 2 z = 48 \\ 6 x - 9 y - 4 z = -24 \\ \end{cases}\)
The Solution is \(\displaystyle (2, 8, -9)\).
\begin{question}Solve the linear system
$\begin{cases}
x + 7 y - 9 z = 139 \\
- 9 x + 6 y - 2 z = 48 \\
6 x - 9 y - 4 z = -24 \\
\end{cases}$
\soln{9cm}{The Solution is $(2, 8, -9)$.}
\end{question}
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\begin{document}\begin{question}(10pts) The question goes here!
\soln{9cm}{The solution goes here.}
\end{question}\end{document}<p> <p>Solve the linear system
<img class="equation_image" title=" \displaystyle \begin{cases}
x + 7 y - 9 z = 139 \\
- 9 x + 6 y - 2 z = 48 \\
6 x - 9 y - 4 z = -24 \\
\end{cases} " src="/equation_images/%20%5Cdisplaystyle%20%5Cbegin%7Bcases%7D%0A%09%20x%20%2B%207%20y%20-%209%20z%20%3D%20139%20%5C%5C%20%0A%09%20-%209%20x%20%2B%206%20y%20-%202%20z%20%3D%2048%20%5C%5C%20%0A%09%206%20x%20-%209%20y%20-%204%20z%20%3D%20-24%20%5C%5C%20%0A%5Cend%7Bcases%7D%20" alt="LaTeX: \displaystyle \begin{cases}
x + 7 y - 9 z = 139 \\
- 9 x + 6 y - 2 z = 48 \\
6 x - 9 y - 4 z = -24 \\
\end{cases} " data-equation-content=" \displaystyle \begin{cases}
x + 7 y - 9 z = 139 \\
- 9 x + 6 y - 2 z = 48 \\
6 x - 9 y - 4 z = -24 \\
\end{cases} " /> </p> </p><p> <p>The Solution is <img class="equation_image" title=" \displaystyle (2, 8, -9) " src="/equation_images/%20%5Cdisplaystyle%20%282%2C%208%2C%20-9%29%20" alt="LaTeX: \displaystyle (2, 8, -9) " data-equation-content=" \displaystyle (2, 8, -9) " /> .</p> </p>