Verify that the values of the variables listed are solutions of the system of equations.
-$$\left\{ \begin{array} { r }
x - y + 4 z = - 3 \
3 x + z = - 2 \
x + 2 y + z = - 12 \
x = 0 , y = - 5 , z = - 2
\end{array} \right.$$
A) solution
B) not a solution

Question

Verify that the values of the variables listed are solutions of the system of equations.
-$$\left\{ \begin{array} { r } 
x - y + 4 z = - 3 \
3 x + z = - 2 \
x + 2 y + z = - 12 \
x = 0 , y = - 5 , z = - 2
\end{array} \right.$$
A) solution
B) not a solution

Quizplus · Accepted Answer

Substituting $x = 0$, $y = -5$, and $z = -2$ into each equation confirms they satisfy all three equations, making them a solution to the system.