Bonsoir, Pouvez-vous m'aider à résoudre ces équations? :

a) 13x-40 = 11-6x
b) 21x + 8 = 3x + 2
-------
3

c) 10 (x+3) = 5x - 7
d) 5 (x+7) + 8(10-x) = 3(6-x)
e) 3x + 5 = 8
f) 2x-3 = 8x
g) 5x-23 = 13 + x
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