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Sagot :

ACOLOM

Bonjour,

Réponse :

Résoudre l'équation:

(7x-7) - ( 8x +6) = 0​

7x -7 - 8x -6 = 0

7x -8x - 7 -6 = 0

- x -13 = 0

- x = 13

x = -13

Vérifiication:

(7 × (-13) - 7) - (8 × (-13) + 6)

= -98 + 98

= 0

;)

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