Voici le calcul : 8−7x = −8x−9
Déterminez l'ensemble S des solutions

By: USER4876
27 Agustus 2025 mathematiques 5 minutes
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Question

Grade: Education Subject: mathematiques
Voici le calcul : 8−7x = −8x−9
Déterminez l'ensemble S des solutions
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Answer (74)

Best Answer
(99)
8−7x = −8x−9
donc  8-7X+8X+9=0    8+9+8X-7X=0
X+17=0
Alors  X=-17
Answered on 27 Agustus 2025

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