Résous pour x : 2x + 3 = 11

Mathematics

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Step-by-step solution

2 steps

Pour résoudre l'équation 2x + 3 = 11 pour x :

  1. Soustraire 3 des deux côtés de l'équation

    2x + 3 - 3 = 11 - 3
    2x = 8

  2. Diviser les deux côtés par 2

    2x / 2 = 8 / 2
    x = 4

    La solution est x = 4.

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