N[Solve[0.005 * 2256 + 0.005 * 2.020 * (120 - 100) + 0.005 * 4.186 * (100 - t) == -(-0.020 * 333.7 + 0.020 * 2.100 * (-15-0) + 0.020 * 4.186 * (0-t)), t]]

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