Solve the System in Terms of the Arbitrary Variable X $$\begin{array} { l } x - 3 y + z = 35 \\3 x - y - z = 21\end{array}$$

question 445

Multiple Choice

Solve the system in terms of the arbitrary variable x.
- $$\begin{array} { l } x - 3 y + z = 35 \\3 x - y - z = 21\end{array}$$
$3 x - y - z = 21$

• A) \(\{ ( x , x - 14,3 x - 7 ) \}\)
• B) \(\{ ( x , x - 14,2 x - 7 ) \}\)
• C) \(\{ ( 0 , - 14 , - 7 ) \}\)
• D) \(\{ ( x , x - 14,2 x ) \}\)

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