Mathématiques

Question

bonjour pouvez vous maidez a cet exercice
consigne: resoudre notalement les equation suivante
2x+1= 11
x=
3x - 1 = 17
x=
4x +5= 17
x=
5x - 2 = 33
x=

1 Réponse

  • Bonjour,

    2x+1= 11

    2x = 11 - 1

    2x = 10

    x = 10/2

    x = 5

    3x - 1 = 17

    3x = 17 + 1

    3x = 18

    x = 18/3

    x = 6

    4x +5= 17

    4x = 17 - 5

    4x = 12

    x = 12/4

    x = 3

    5x - 2 = 33

    5x = 33 + 2

    5x = 35

    x = 35/5

    x = 7.

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