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Solve the System of Equations {x−y+3z=102x+z=4x+2y+z=8\left\{ \begin{array} { r } x - y + 3 z = 10 \\2 x + z = 4 \\x + 2 y + z = 8\end{array} \right.

Question 152

Multiple Choice

Solve the system of equations.
- {x−y+3z=102x+z=4x+2y+z=8\left\{ \begin{array} { r } x - y + 3 z = 10 \\2 x + z = 4 \\x + 2 y + z = 8\end{array} \right.


A) x=−4,y=0,z=5x = - 4 , y = 0 , z = 5
B) x=−4,y=5,z=0x = - 4 , y = 5 , z = 0
C) inconsistent (no solution)
D) x=0,y=5,z=−4x = 0 , y = 5 , z = - 4

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