Sagot :
Bonjour,
- 5x + 3 = 2x - 11
- 5x - 2x = - 11 - 3
- 7x = - 14
x = 14/7
x = 2.
Réponse : -5x+3=2x-11
-5x+3-3=2x-11-3
-5x-2x= -14
-7x=-14
-7x/-7=-14/-7
x=2
x=4,67
Bonjour,
- 5x + 3 = 2x - 11
- 5x - 2x = - 11 - 3
- 7x = - 14
x = 14/7
x = 2.
Réponse : -5x+3=2x-11
-5x+3-3=2x-11-3
-5x-2x= -14
-7x=-14
-7x/-7=-14/-7
x=2
x=4,67