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

Question

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

Quizplus · Accepted Answer

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

{x+y+z=7x−y+2z=75x+y+z=11\left\{ \begin{array} { c } x + y + z = 7 \\x - y + 2 z = 7 \\5 x + y + z = 11\end{array} \right.⎩⎨⎧​x+y+z=7x−y+2z=75x+y+z=11​

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