Solve the System of Equations $$\left\{ \begin{array} { r } x + 4 y - z = 3 \\x + 5 y - 2 z = 5 \\3 x + 12 y - 3 z = 9\end{array} \right.$$

Solve the system of equations.
- $$\left\{ \begin{array} { r } x + 4 y - z = 3 \\x + 5 y - 2 z = 5 \\3 x + 12 y - 3 z = 9\end{array} \right.$$

A) $x = 3 z + 5$
$y = z - 2$
$z =$ any real number

B) $x = - 3 z - 5$
$y = z + 2$
$z =$ any real number

C) $x = z - 2$
$y = - 3 z - 5$
$z =$ any real number

D) inconsistent (no solution)

Correct Answer:

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