Use Matrices to Solve the System of Equations (If Possible) $\left\{ \begin{aligned}x - 5 y + 2 z & = - 1 \\- 6 x + 29 y - z & = 1\end{aligned} \right.$

question 93

Multiple Choice

Use matrices to solve the system of equations (if possible) . Use Gaussian elimination with back-substitution or Gauss-Jordan elimination. $\left\{ \begin{aligned}x - 5 y + 2 z & = - 1 \\- 6 x + 29 y - z & = 1\end{aligned} \right.$

• A)(53a + 24, 11a + 5, a)where a is any real number
• B)(-17a - 15, 14a + 29, a)where a is any real number
• C)(72a + 19, 6a + 35, a)where a is any real number
• D)(-37a + 24, a + 5, a)where a is any real number
• E)(-a + 9, a + 5, a)where a is any real number

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