In Problems 918, verify that the values of the variables listed are solutions of the system of
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In Problems 9–18, verify that the values of the variables listed are solutions of the system of equations.
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3x + 3y + 2z = 4 x - 3y + 3y + z = 10 5x2y3z = 8 x = 2, y = -2, z = 2; (2, -2, 2)
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