bonjour
merci de mettre profil collège et pas lycée
40 + 3 x - 16 + x + 40 = 180
4 x = 180 - 80 + 16
4 x = 116
x = 29
A = 40
B = 71
C = 69
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bonjour
merci de mettre profil collège et pas lycée
40 + 3 x - 16 + x + 40 = 180
4 x = 180 - 80 + 16
4 x = 116
x = 29
A = 40
B = 71
C = 69