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2 x + 11 = 5

2 x = 5 - 11

2 x = - 6

x = - 3

6 x + 8 = 3 x - 19

6 x - 3 x =  - 19 - 8

3 x = - 27

x = - 9

Réponse :

2 x + 11 = 5

2 x = 5 - 11

2 x = - 6

x = - 3

6 x + 8 = 3 x - 19

6 x - 3 x =  - 19 - 8

3 x = - 27

x = - 9

Explications étape par étape

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