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Sagot :

Réponse :

Bonsoir

Explications étape par étape

Equations

2x +5 = 3x -9

2x -3x = -5 -9

-x = -14

8 =3x-9

-3x = -8 -9

-3x = -17

x = 17/3

-6x +4 =-2x

-6x +2x = -4

-4x = -4

x = 4/4 = 1

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