Use Matrices to Solve the System$$\left\{ \begin{array} { r r }
2 x - y - 9 z & = - 33 \
- 8 x - 3 z & = - 71 \
2 y + z & = 9
\end{array} \right.$$

Question

Use Matrices to Solve the System$$\left\{ \begin{array} { r r } 
2 x - y - 9 z & = - 33 \
- 8 x - 3 z & = - 71 \
2 y + z & = 9
\end{array} \right.$$

Examlex · Accepted Answer

The Answer of Use Matrices to Solve the System$$\left\{ \begin{array} { r r } 
2 x - y - 9 z & = - 33 \
- 8 x - 3 z & = - 71 \
2 y + z & = 9
\end{array} \right.$$

Use Matrices to Solve the System $\left\{ \begin{array} { r r } 2 x - y - 9 z & = - 33 \\- 8 x - 3 z & = - 71 \\2 y + z & = 9\end{array} \right.$

Definitions:

Use Matrices to Solve the System {2x−y−9z=−33−8x−3z=−712y+z=9\left\{ \begin{array} { r r } 2 x - y - 9 z & = - 33 \\- 8 x - 3 z & = - 71 \\2 y + z & = 9\end{array} \right.⎩⎨⎧​2x−y−9z−8x−3z2y+z​=−33=−71=9​

Definitions:

Use Matrices to Solve the System $\left\{ \begin{array} { r r } 2 x - y - 9 z & = - 33 \\- 8 x - 3 z & = - 71 \\2 y + z & = 9\end{array} \right.$