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

question 138

Multiple Choice

Determine if the given ordered triple is a solution of the system.
- $$\begin{array} { l } ( 5 , - 2 , - 5 ) \\4 x + 5 y + z = - 25 \\2 x - 3 y - z = - 9 \\5 x + y + 4 z = - 7\end{array}$$

• A) not a solution
• B) solution

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