Bonjour, j'ai des équations à faire mais je ni arrive pas. a) x - 7 = 10
b) a sur 7 = 6
c) x - 4 = -11
d) t sur 3 = -21
e) 2v - 13 = 34
f) 5x + 31 = 3x
g) 6x - 4 = 3x + 14
h) x sur 3 - 5 = -9
Merci d'avance !
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