👉 Alchemy Rules:
🛡️ [Protection Barrier]: Remember to add parentheses when substituting an expression!
💥 [Dark Reversal]: If there is a negative sign outside the parentheses, change the sign of every term inside when multiplying!
🚪 [Double Portal]: The material extracted from Eq 1 must be thrown into Eq 2 to work!
⚠️ You must "Predict" before casting magic! Correct prediction +20 points, Wrong -5 points.