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Sagot :

Réponse :

Bonjour

Explications étape par étape

4(-x + 1) - 2(3x - 5) = 0

-4x + 4 - 6x + 10 = 0

-10x + 14 = 0

10x = 14

x = 14/10

x = 1,4


7(2x - 6) - 4(5x - 8) = -5x

14x - 42 - 20x + 32 = -5x

-6x - 10 = -5x

6x - 5x = -10

x = -10

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