bjr

-8x + 3 = 5x - 2

-8x - 5x = -2 - 3

-13x = -5

x = 5/13

vérif

-8*5/13 + 3 = 5*(5/13) - 2          ?

-40/13 + 39/13 = 25/13 - 26/13   ?

-1/13 = -1/13  donc oui - x = 5/13