x+7=2x4 en fraction merci

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Grade: Education Subject: mathematiques
x+7=2x4 en fraction merci
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(152)
Bonjour,

x + 7 = 2x + 4
7 = x + 4
3 = x.

Donc x = 3.

Voilà pour mon aide. :)
(172)
normalement c est ca j espere je t ai aider:
x + 7 = 2x + 4
7 = x + 4
3 = x.
conclusion x=3
si ta des n heside pas a poser