Mathématiques

Question

5(x-2)+2(1-3x)=7x+12

1 Réponse

  • 5(x-2)+2(1-3x)=7x+12
    5x - 10 + 2 - 6x = 7x + 12
    -x - 8 = 7x + 12
    -x - 7x = 12 + 8
    -8x = 20
    x = 20/(-8) = -2,5

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