Exercice de Math pour Lundi : LES EQUATIONS ! 4) a) 4x + 7 = 2x + 13
b) x - 2 = 10 + 5x
c) -3x - 8 = -7x - 4
d) 2t + 5 = 5t + 12
e) 7x - 6 = 6x + 3
f) 15x = 7x + 4

5) Parmi les nombres -3 , -2 et 2 , recherche ceux qui sont solutions des équations suivantes : a) 2(3x + 1 ) = 4x - 2
b) 5x + 15 = 3x + 19
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