Sagot :
Bonsoir
Résoudre l'équation :
2 - 5x = 7
- 5x = 7 - 2
- 5x = 5
x = - 5/5
x = - 1.
Bonjour,
2 - 5x = 7
2 - 7 = 5x
5x = - 5
X = -5/5
X = -1
Bonne soirée ^^
Bonsoir
Résoudre l'équation :
2 - 5x = 7
- 5x = 7 - 2
- 5x = 5
x = - 5/5
x = - 1.
Bonjour,
2 - 5x = 7
2 - 7 = 5x
5x = - 5
X = -5/5
X = -1
Bonne soirée ^^