The full balanced equation of photosynthesis is:

Carbon Dioxide + Water = Glucose + Oxygen

[in the presence of chlorophyll and sunlight]

6CO₂ + 6H₂O ——–> C₆H₁₂O₆ + 6O₂

[or]

6CO₂ + 12H₂O ——–> C₆H₁₂O₆ + 6O₂ + 6H₂O