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  3. verify that x = -4, y = 4, z = -2 is a solution of

Verify that x = -4, y = 4, z = -2 is a solution of...

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Verify that x = -4, y = 4, z = -2 is a solution of this system of equations: {x+y+z= -1x -y +4z = -12 2x+y +z = -5 A) Not a solution B) Solution

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