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Sagot :

VINS

[tex]bonjour\\ \\ - 7 x + 6 = - 4 x - 20\\ - 7 x + 4 x = - 20 - 6\\ - 3 x = - 26\\ x = 26/3\\ \\ 2 x - 16 = - 9 x - 45 \\ 2 x + 9 x = - 45 + 16\\ 11 x = - 29\\ x = - 29/11 \\ \\ [/tex]

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