Solve the System of Equations $$\begin{aligned}x + 4 y + 2 z & = 22 \\5 y + 5 z & = 40 \\z & = 3\end{aligned}$$

question 282

Multiple Choice

Solve the system of equations.
- $$\begin{aligned}x + 4 y + 2 z & = 22 \\5 y + 5 z & = 40 \\z & = 3\end{aligned}$$

• A) \(\{ ( - 4,5,3 ) \}\)
• B) \(\{ ( - 4,3,5 ) \}\)
• C) \(\{ ( 3,5 , - 4 ) \}\)
• D) \(\{ ( 5 , - 4,3 ) \}\)

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