Write the system of equations corresponding to the given augmented matrix. 666-2 809 4 390 2 6x + 6y +6z = -2 8x +9z = 4 3x +9z = 2 6x - 6y + 6z = -2 8x +9z = -4 3x +9y =-2 6x - 6y +6z = -2 8x +9z = -4 3x +9z = -2 6x + 6y + 6z = -2 8x +9z = 4 3x +9y = 2

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