Bonjour, j’ai des équations a faire mais je ne comprend pas. a) x + 17 = 70
b) 4x = 240
c) 11 + x = -3
d) 6x = -120
e) 4x + 13 = 37
f) 17x - 5x = 120
g) 7x + 9 = 3x + 35
h) 7 - 8x = 55
Merci d’avance
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