Mathématiques

Question

3(2x-7) = -2(5x+4)-10
5(3-6x) + 20x = 7 (2-4x)

1 Réponse

  • 3(2x-7)=-2(5x+4)-10
    6x-21=-10x-18
    16x=3
    x=3/16

    5(3-6x) + 20x = 7 (2-4x)
    -10x+15=14-28x
    18x=-1
    x=-1/18

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