x*2/3x - 4/5 = 13/6x - 8/25
2/3 - 13/6x = -8/25 +4/5
- 13/6x = -8/25 +20/25 -2/3
- 13/6x = 12/25 -2/3
- 13/6x = 36/75 -50/75
- 13/6x = -14/75
13/6x = 14/75
6x = 13*75/14
x = (13*75)/(14*6)
x = (13*5*5*3)/(7*2*3*2)
x = (13*5*5)/(7*2*2)
x = 325/28
En espérant t'avoir aidé
