Mathématiques

Question

7x-5=6
8x-7=0
4x-9=5

2 Réponse

  • 7x - 5 = 6
    7x = 6 + 5
    7x = 11
    x = 11/7

    8x - 7 = 0
    8x = 7
    x = 7/8

    4x - 9 = 5
    4x = 5 + 9
    4x = 14
    x = 14/4
    x = 7/2
  • 7x- 5 = 6
    7x = 6+ 5
    7x = 11
    x = 11/7

    8x-7 = 0
    8x = 0+7
    8x= 7
    x = 7/8

    4x- 9 = 5
    4x = 5 + 9
    4x = 14
    x = 14/4
    x = 7/2

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