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Systems of Linear Equations in Three Variables
1 Verify the Solution

Question 256

Multiple Choice

Systems of Linear Equations in Three Variables
1 Verify the Solution of a System of Linear Equations in Three Variables
- (4,−5,−4) 4x+2y+z=25x−4y−z=443x+y+4z=−9\begin{array} { l } ( 4 , - 5 , - 4 ) \\4 x + 2 y + z = 2 \\5 x - 4 y - z = 44 \\3 x + y + 4 z = - 9\end{array}


A) solution
B) not a solution

Correct Answer:

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