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Sagot :

TEAMCE

Bonjour,

Résoudre l'équation:

distributivité simple:

  • k(a + b) = ka + kb

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

2x - 14 = -3x + 3

2x - 14 + 14 = -3x + 3 + 14

2x = -3x + 17

2x + 3x = -3x + 17 + 3x

5x = 17

x = 17/5 = 3,4

✅

Bonne journée
bonjour voici l’équation

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

2x-14 =3(-x+1)

2x-14=-3x+3

2x-14+14=-3x+3+14

2x=-3+17

2x+3x=-3x+17+3x

x = 17/5

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