Solve the system of linear equations. $\left\{ \begin{array} { c }
x + y + z + w = 0 \
- 3 x - 2 y + z - w = - 5 \
- 5 x + 4 z - w = - 20 \
- 5 x + y + z + 4 w = - 15
\end{array} \right.$
A) $( 3 , - 3,1 , - 1 )$
B) $( 3 , - 1 , - 3,1 )$
C) $( 1 , - 3 , - 1,3 )$
D) $( 3 , - 3 , - 1,1 )$
E)inconsistent

Question

Solve the system of linear equations. $\left\{ \begin{array} { c } 
x + y + z + w = 0 \
- 3 x - 2 y + z - w = - 5 \
- 5 x + 4 z - w = - 20 \
- 5 x + y + z + 4 w = - 15
\end{array} \right.$
A) $( 3 , - 3,1 , - 1 )$
B) $( 3 , - 1 , - 3,1 )$
C) $( 1 , - 3 , - 1,3 )$
D) $( 3 , - 3 , - 1,1 )$
E)inconsistent

Quizplus · Accepted Answer

By solving the system of equations using substitution or elimination, the solution is found to be $( 3 , - 3 , - 1,1 )$.

Solve the System of Linear Equations A) (3,−3,1,−1)( 3 , - 3,1 , - 1 )(3,−3,1,−1)

Solve the System of Linear Equations A) $( 3 , - 3,1 , - 1 )$