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Sagot :

VINS

Réponse :

bonjour

2 x - 5 = 5 x + 1

2 x - 5 x = 1 + 5

- 3 x = 6

x = - 2

3 - 7 x = 3 x + 2

- 7 x - 3 x = 2 - 3

- 10 x = - 1

x = 1/10

5 x - 6 = - x + 3

5 x + x = 3 + 6

6 x = 9

x = 9/6 = 3 /2

2 x - 1/3  = 1

6 x /3 - 1 /3 = 3 /3

6 x = 3 + 1

6 x = 4

x = 4/6 =  2/3

Explications étape par étape

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