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Sagot :

VINS

bonjour

2 x + 2 = 5 + x

2 x - x = 5 - 2

x = 3

b = incompréhensible

6 x + 2 = x + 12

6 x - x = 12 - 2

5 x = 10

x = 2

3 x + 3 = x - 1

3 x - x = - 1 - 3

2 x = - 4

x = - 2

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