Mathématiques

Question

resoudre l'equaton 5x-2=3x+15

1 Réponse

  • 5x - 2 = 3x + 15 
    5x - 3x -2 = 15 
    2x -  2 = 15
    2x = 15 + 2 
    2x = 17
    x = 17/2
    x = 8.5

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