Mathématiques

Question

Équations
X+75/2 = 5X-9
X=???

1 Réponse

  • Bonsoir,

    X+75/2 = 5X-9

    x + 75/2 - x + 9 = 5x - 9 - x + 9

    75/2 + 18/2 = 4x

    93/2 = 4x

    x = 93/(2 * 4)

    x = 93/8

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