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Sagot :

Réponse :

[tex]8n + 16 = 4n - 6\\8n + 16 - 16 = 4n - 6-16\\8n = 4n - 22\\8n = 4n - 22\\8n - 4n = 4n - 22 - 4n\\4n = -22\\4n = -22\\\frac{4n}{4} = \frac{-22}{4} \\n = - \frac{11}{2}[/tex]

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