Mathématiques

Question

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(x+2)/3 - (x-1)/2 = 5

2 Réponse

  • (x+2)/3 - (x-1)/2 = 5
    (2x + 4) / 6 - (3x - 3) / 6 = 30/6
    2x + 4 - 3x + 3 = 30
    2x - 3x = 30 - 4 - 3
    - x = 27
    x = - 27
  • (x + 2)/3 - (x-1)/2 = 5
    ( 2x + 4)/6 - (3x-3)/6 = 30/6
    2x+4-3x+3=30
    2x-3x=30-4+3
    -x = 29
    x = -29

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