Use Gaussian Elimination to Solve the System of Equations $$x - y + 3 z = - 1$$

question 93

Multiple Choice

Use Gaussian elimination to solve the system of equations.
- $$x - y + 3 z = - 1$$
$5 \mathrm { x } + \mathrm { z } = 1$
$x + 5 y + z = 21$

• A) \(( 1,0,4 )\)
• B) No solution
• C) \(( 0,4,1 )\)
• D) \(( 1,4,0 )\)

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