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Sagot :

VINS

bonjour

x - 5/2 - 3 x + 2/4 = 5 - 11 x /7

28 x /28 - 70/28 - 84 x /28 + 14/28 =  140/28 - 44 x /28

28 x - 84 x + 44 x = 140 + 70 - 14

- 12 x = 196

x = - 196/12  = - 49/3

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