Mathématiques

Question

bonsoir jai besoin daide pour cette exercice svp merci:
1) 4x−3 = 11 2) 2−5x = 4 3) 3 2
x−2 = 6 4) 6x−4 = 3x + 14
il faut resoudre ces equations

1 Réponse

  • Bonjour,

    4x - 3 = 11

    4x = 11 + 3

    4x = 14

    x = 14/4 = 7/2

    2 - 5x = 4

    - 5x = 4 - 2

    - 5x = 2

    x = -2/5

    32x - 2 = 6

    32x = 6 + 2

    32x = 8

    x = 8/32 = (8 * 1)/(8 * 4) = 1/4

    6x - 4 = 3x + 14

    6x - 3x = 14 + 4

    3x = 18

    x = 18/3 = 6

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