12 Résoudre les équations suivantes : a) 2(x + 9) = 4x
b) 5(x - 2) = 4x + 9
c) 3(x - 4) = -5x - 4 d) x + 5 = 4(x + 1) +7
e) 3x - 7 = -2(x-4) f) 4(x + 5) = 10(x - 3)

Bonjour pourriez-vous m’aider pour c’est exercice ?
Merci
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