Use matrices to solve the system of equations. If the equations of the system are dependent, or if the system is inconsistent, so indicate. $\left\{ \begin{array} { l }
3 x + y - 3 z = - 5 \
x - 2 y + 4 z = 21 \
x + y + z = 9
\end{array} \right.$

Question

Use matrices to solve the system of equations. If the equations of the system are dependent, or if the system is inconsistent, so indicate. $\left\{ \begin{array} { l } 
3 x + y - 3 z = - 5 \
x - 2 y + 4 z = 21 \
x + y + z = 9
\end{array} \right.$

Quizplus · Accepted Answer

The Answer of Use matrices to solve the system of equations. If the equations of the system are dependent, or if the system is inconsistent, so indicate. $\left\{ \begin{array} { l } 
3 x + y - 3 z = - 5 \
x - 2 y + 4 z = 21 \
x + y + z = 9
\end{array} \right.$

Use Matrices to Solve the System of Equations {3x+y−3z=−5x−2y+4z=21x+y+z=9\left\{ \begin{array} { l } 3 x + y - 3 z = - 5 \\x - 2 y + 4 z = 21 \\x + y + z = 9\end{array} \right.⎩⎨⎧​3x+y−3z=−5x−2y+4z=21x+y+z=9​

Use Matrices to Solve the System of Equations $\left\{ \begin{array} { l } 3 x + y - 3 z = - 5 \\x - 2 y + 4 z = 21 \\x + y + z = 9\end{array} \right.$