Determine If the Given Ordered Triple Is a Solution of the System

question 55

Multiple Choice

Determine if the given ordered triple is a solution of the system.
- $$\left\{ \begin{array} { l } ( 1 , - 2,4 ) \\3 x + 5 y + z = - 3 \\2 x - 3 y - z = 4 \\2 x + y + 5 z = 20\end{array} \right.$$

• A) \(\text { solution }\)
• B) not a solution

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