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

question 7

Multiple Choice

Determine if the given ordered triple is a solution of the system.
- $$\left\{ \begin{array} { r } ( - 5,2 , - 1 ) \\x + 5 y + 5 z = 0 \\3 y + 5 z = 1 \\z = - 1\end{array} \right.$$

• A) not a solution
• B) solution

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