4.4 Exercise 5

Determine whether the ordered triple is a solution to the system: $\begin{cases} 3 x + y + z = 2 \\ x + 2 y + z = −3 \\ 3 x + y + 2 z = 4 \end{cases} .$

ⓐ $\left(1 , −3 , 2\right)$ ⓑ $\left(4 , −1 , −5\right)$