2 + 5x = 11 + 3 + 7x
Mathématiques
keyson79
Question
2 + 5x = 11 + 3 + 7x
1 Réponse
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1. Réponse Anonyme
2 + 5x = 11 + 3 + 7x
2 - 11 - 3 = 7x - 5x
- 12 = 2x
- 12/2 = x
- 6 = x