Bonjour,
Résoudre les équations suivantes :
3x + 5 = 0
3x = - 5
x = - 5/3
3x - 5 = 0
3x = 5
x = 5/3
x - 5 = 0
x = 5
3x + 12 = 0
3x = - 12
x = - 12/3
x = - 4
5x + 2 = 0
5x = - 2
x = - 2/5
5x - 2 = 0
5x = 2
x = 2/5
-5x + 2 = 0
- 5x = - 2
x = 2/5
-5x - 2 = 0
- 5x = 2
x = - 2/5.