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

question 79

Multiple Choice

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

• A) solution
• B) not a solution

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