Sagot :

ayuda

bjr

2x + 5 = 1/3x

soit

6x + 15 = x

6x - x = - 15

5x = -15

x = -3

Kavitha01

Réponse:

Bonjour,

(2x+5)/x=1/3

(2x+5)*3=1*x

6x+15=x

6x+15-x=x-x

5x+15=0

5x=-15

-15/5

x=-3