Bonsoir, j'ai besoins d'aide Resoudre les équations
Exercice 20:
a) 3x - 7 =2x + 9;
b) 32 - 15x = -18 + 10x;
c)1,5x = 3,5x - 10;
d) +14=--3
Exercice 20:
a) 3x - 7 =2x + 9;
b) 32 - 15x = -18 + 10x;
c)1,5x = 3,5x - 10;
d) +14=--3
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