Bonjour
Calculer ces deux expressions :
2×-3=4x +5
2x - 4x = 5 + 3
- 2x = 8
x = - 8/2
x = - 4
3(x-4)=2(5+2x)
3x - 12 = 10 + 4x
3x - 4x = 10 + 12
- x = 22
x = - 22.