Solve the System $$\left\{ \begin{aligned}x + y + z & = 7 \\x - y + 5 z & = - 3 \\4 x + y + z & = 22\end{aligned} \right.$$

question 55

Multiple Choice

Solve the system.
- $$\left\{ \begin{aligned}x + y + z & = 7 \\x - y + 5 z & = - 3 \\4 x + y + z & = 22\end{aligned} \right.$$

• A) \(( 5,3 , - 1 )\)
• B) \(( - 1,3,5 )\)
• C) \(( - 1,5,3 )\)
• D) \(\varnothing\)

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