Solve Systems of Linear Equations in Three Variables
-$$\begin{array} { c }
x + y + z = - 7 \
x - y + 3 z = - 13 \
2 x + y + z = - 9
\end{array}$$

Question

Solve Systems of Linear Equations in Three Variables 
-$$\begin{array} { c } 
x + y + z = - 7 \
x - y + 3 z = - 13 \
2 x + y + z = - 9
\end{array}$$

Examlex · Accepted Answer

The Answer of Solve Systems of Linear Equations in Three Variables 
-$$\begin{array} { c } 
x + y + z = - 7 \
x - y + 3 z = - 13 \
2 x + y + z = - 9
\end{array}$$

Solve Systems of Linear Equations in Three Variables
- $\begin{array} { c } x + y + z = - 7 \\x - y + 3 z = - 13 \\2 x + y + z = - 9\end{array}$

Definitions:

Solve Systems of Linear Equations in Three Variables - x+y+z=−7x−y+3z=−132x+y+z=−9\begin{array} { c } x + y + z = - 7 \\x - y + 3 z = - 13 \\2 x + y + z = - 9\end{array}x+y+z=−7x−y+3z=−132x+y+z=−9​

Definitions:

Solve Systems of Linear Equations in Three Variables
- $\begin{array} { c } x + y + z = - 7 \\x - y + 3 z = - 13 \\2 x + y + z = - 9\end{array}$