Function Machine Multiplication Hard — Set 33

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                "rule": "×2 + 3",
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                "correctAnswer": "2",
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                "id": 5,
                "type": "function-machine",
                "subType": "find-input",
                "rule": "-3",
                "input": 5,
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                "question": "? → [-3] → 2",
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                "id": 6,
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                "id": 7,
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                "input": 7,
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                "id": 8,
                "type": "function-machine",
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