merciiiiiiiii pour l' aide j' es vraiment besoin d' aide​

Bonsoir,

corrigé en pièce jointe

Bonsoir,

C= 2x-1/6 - x+4/6 = x

= (2x-1)×2 - (x+4)/6 = x

= 4x-2-x-4/6 = x

= 3x-6/6 = x

= 3x-6 = 6x

= -6 = 6x - 3x

= -6 = 3x

= -2 = x ( car -6/3 = -2)