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Solve the System (x,y,z,w)(x, y, z, w)
- 2x2z+w=12 x-2 z+w=-1

Question 119

Multiple Choice

Solve the system. Express the solution in the form (x,y,z,w) (x, y, z, w) .
- 2x2z+w=12 x-2 z+w=-1
x+2y+z2w=05xy+2w=14y2zw=3\begin{aligned}-x+2 y+z-2 w & =0 \\ 5 x-y+2 w & =14 \\ y-2 z-w & =-3\end{aligned}


A) {(1,4,7,5) }\{(1,-4,-7,-5) \}
B) {(3,2,2,0) }\{(3,-2,-2,0) \}
C) {(4,4,2,5) }\{(4,-4,2,-5) \}
D) {(4,4,4,6) }\{(-4,4,4,-6) \}

Correct Answer:

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