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Verify That the Values of the Variables Listed Are Solutions {xy+4z=33x+z=2x+2y+z=12\left\{ \begin{array} { r } x - y + 4 z = - 3 \\3 x + z = - 2 \\x + 2 y + z = - 12 \\\end{array} \right.

Question 148

Multiple Choice

Verify that the values of the variables listed are solutions of the system of equations.
- {xy+4z=33x+z=2x+2y+z=12\left\{ \begin{array} { r } x - y + 4 z = - 3 \\3 x + z = - 2 \\x + 2 y + z = - 12 \\\end{array} \right.
x = 0 , y = - 5 , z = - 2


A) solution
B) not a solution

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