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Systems of Linear Equations in Three Variables
1 Verify the Solution

Question 275

Multiple Choice

Systems of Linear Equations in Three Variables
1 Verify the Solution of a System of Linear Equations in Three Variables
- (−4,1,−2) x+y+z=−5x−y+5z=−235x+y+z=−13\begin{array} { c } ( - 4,1 , - 2 ) \\x + y + z = - 5 \\x - y + 5 z = - 23 \\5 x + y + z = - 13\end{array}


A) not a solution
B) solution

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