$\left\{ \begin{array} { l }
5 x + 2 y + z = - 11 \
2 x - 3 y - z = 17 \
7 x + y + 2 z = - 4
\end{array} \right.$
A) x=-3, y=0, z=4
B) x=3, y=0, z=-4
C) x=0, y=6, z=-1
D) x=0, y=-6, z=1

Question

$\left\{ \begin{array} { l } 
5 x + 2 y + z = - 11 \
2 x - 3 y - z = 17 \
7 x + y + 2 z = - 4
\end{array} \right.$
A)  x=-3, y=0, z=4 
B)  x=3, y=0, z=-4 
C)  x=0, y=6, z=-1 
D)  x=0, y=-6, z=1

Quizplus · Accepted Answer

The Answer of $\left\{ \begin{array} { l } 
5 x + 2 y + z = - 11 \
2 x - 3 y - z = 17 \
7 x + y + 2 z = - 4
\end{array} \right.$
A)  x=-3, y=0, z=4 
B)  x=3, y=0, z=-4 
C)  x=0, y=6, z=-1 
D)  x=0, y=-6, z=1

{5x+2y+z=−112x−3y−z=177x+y+2z=−4\left\{ \begin{array} { l } 5 x + 2 y + z = - 11 \\2 x - 3 y - z = 17 \\7 x + y + 2 z = - 4\end{array} \right.⎩⎨⎧​5x+2y+z=−112x−3y−z=177x+y+2z=−4​

$\left\{ \begin{array} { l } 5 x + 2 y + z = - 11 \\2 x - 3 y - z = 17 \\7 x + y + 2 z = - 4\end{array} \right.$