Bonsoir,
Résoudre les équations:
2x + 3 = 17
2x + 3 - 3 = 17 - 3
2x = 14
2x/2 = 14/2
x = 7
✅
4x - 5 = 2x + 3
4x - 5 + 5 = 2x + 3 + 5
4x = 2x + 8
4x - 2x = 2x + 8 - 2x
2x = 8
2x/2 = 8/2
x = 4
Bonne soirée