aidez moi a resoudre l'equation svp
2x-11=7x+4


Sagot :

Réponse :

2x - 11 = 7x + 4

2x - 7x - 11 = 7x - 7x + 4

-5x - 11 = 4

-5x - 11 + 11 = 4 + 11

-5x = 15

-5x/-5 = 15/-5

x = -3