SOLUTION: What do x, y, and z equal in the following systems with 3 variables? x+y+z=-1 2x-y+2z=-5 -x+2y-z=4

SOLUTION: What do x, y, and z equal in the following systems with 3 variables? x+y+z=-1 2x-y+2z=-5 -x+2y-z=4

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Question 235085: What do x, y, and z equal in the following systems with 3 variables?
x+y+z=-1
2x-y+2z=-5
-x+2y-z=4
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
There's no unique solution.
Adding the 2nd and 3rd equations gives the 1st equation, so they're dependent.
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