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Sagot :

VINS

Réponse :

bonjour

3 x/4 = 5

3 x = 20

x = 20/3

4 x - 3 = 11

4 x = 11 +3

4 x = 14

x = 14/4  = 7/2

7 - 8 x = 56

- 8 x = 56 - 7

- 8 x = 49

x = - 49/8

6 x - 4 = 3 x + 14

6 x - 3 x = 14 + 4

3 x = 18

x = 18/3 = 6

9 - 2 x = 11 + 4 x

- 2 x - 4 x = 11 - 9

- 6 x = 2

x = - 2/6 = - 1 /3

20HSHSN05

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