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Solve the system of three linear equations:

$3t - v + 2z = 9$$-t + v - z = -1$$2t - v + 3z = 20$

$t = 3, v = 0, z = 0$

$t = 3, v = 1, z = -1$

$t = -1, v = 8, z = 10$

$t = 3, v = -5, z = 3$