Solve the system of linear equations. $\left\{ \begin{array} { c }
x + y + z = - 2 \
x + y - 3 z = 6 \
- y + 7 z = - 7
\end{array} \right.$
A) $( 6 , - 8,0 )$
B) $( - 8,6,0 )$
C) $( 7 , - 7 , - 2 )$
D) $( - 7,7 , - 2 )$
E) $( 10 , - 9 , - 3 )$

Question

Solve the system of linear equations. $\left\{ \begin{array} { c } 
x + y + z = - 2 \
x + y - 3 z = 6 \
- y + 7 z = - 7
\end{array} \right.$
A) $( 6 , - 8,0 )$
B) $( - 8,6,0 )$
C) $( 7 , - 7 , - 2 )$
D) $( - 7,7 , - 2 )$
E) $( 10 , - 9 , - 3 )$

Quizplus · Accepted Answer

By solving the system of equations using substitution or elimination, the solution is found to be $ (7, -7, -2) $.

Solve the System of Linear Equations {x+y+z=−2x+y−3z=6−y+7z=−7\left\{ \begin{array} { c } x + y + z = - 2 \\x + y - 3 z = 6 \\- y + 7 z = - 7\end{array} \right.⎩⎨⎧​x+y+z=−2x+y−3z=6−y+7z=−7​

Solve the System of Linear Equations $\left\{ \begin{array} { c } x + y + z = - 2 \\x + y - 3 z = 6 \\- y + 7 z = - 7\end{array} \right.$