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Use the Gauss-Jordan Method to Solve the System of Equations 7x9yz=24x3y5z=542x+y+z=7\begin{aligned}7 x - 9 y - z & = - 24 \\x - 3 y - 5 z & = - 54 \\- 2 x + y + z & = 7\end{aligned}

question 145

Multiple Choice

Use the Gauss-Jordan method to solve the system of equations. If the system has infinitely many solutions, let the last
variable be the arbitrary variable.
- 7x9yz=24x3y5z=542x+y+z=7\begin{aligned}7 x - 9 y - z & = - 24 \\x - 3 y - 5 z & = - 54 \\- 2 x + y + z & = 7\end{aligned}


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