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Sagot :

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bonjour

[tex]3 x + 8 = 11 - 7 x \\3 x + 7 x = 11 - 8 \\10 x = 3 \\x = 3/10 = 0.3 \\\\[/tex]

Bonjour,

3x+8=11-7x

3x+7x = 11-8

10x = 3

x = 3/10

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