Mathématiques

Question

Rebonsoir pouvez vous m'aidez pour c'est éuqtaion merci d'avance
x + 7 = 0
x – 1 = 0
2x + 4 = 0
3x – 9 = 0
9x + 12 = 0
- x + 4 = 0
- 6x + 2 = 0
- 5x – 15 = 0
- 12 + 8x = 0
- 4 - 3x = 0
- 5x – 3 + 7x = 0
2 + 6x – 4 = 0

2 Réponse

  • Réponse :

    Explications étape par étape

    Bonsoir

    Résoudre :

    x + 7 = 0

    x = -7

    x – 1 = 0

    x = 1

    2x + 4 = 0

    2x = -4

    x = -4/2

    x = -2

    3x – 9 = 0

    3x = 9

    x = 9/3

    x = 3

    9x + 12 = 0

    9x = -12

    x = -12/9

    x = -4/3

    - x + 4 = 0

    x = 4

    - 6x + 2 = 0

    6x = 2

    x = 2/6

    x = 1/3

    - 5x – 15 = 0

    5x = -15

    x = -15/5

    x = -3

    - 12 + 8x = 0

    8x = 12

    x = 12/8

    x = 3/2

    - 4 - 3x = 0

    3x = -4

    x = -4/3

    - 5x – 3 + 7x = 0

    2x = 3

    x = 3/2

    2 + 6x – 4 = 0

    6x = 4 - 2

    x = 2/6

    x = 1/3

  • Bonsoir

    x+7=0

    x=-7

    x-1=0

    x=1

    2x+4=0

    2x=-4

    x=-2

    3x-9=0

    3x=9

    x=3

    9x+12=0

    9x=-12

    x=-4/3

    -x+4=0

    x=4

    -6x+2=0

    -6x=-2

    x=1/3

    -5x-15=0

    -5x=15

    x=-3

    -12+8x=0

    8x=12

    x=3/2

    -4-3x=0

    -3x=4

    x=-4/3

    -5x-3+7x=0

    2x=3

    x=3/2

    2+6x-4=0

    6x=2

    x=1/3

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