Répondre :
7(x-2)+4(x+3)=0
7x-14+4x+12 = 0
11x - 2 = 0
x = 2/11
3(x-4)=7(2x-1)
3x - 12 = 14x - 7
14x - 3x = -12 + 7
11x = -5
x = -5/11
En espérant t'avoir aidé.
7(x-2)+4(x+3)=0 3(x-4)=7(2x-1)
7(x-2)+4(x+3)=0
7x-14+4x+12 = 0
11x - 2 = 0
x = 2/11
3(x-4)=7(2x-1)
3x - 12 = 14x - 7
14x - 3x = -12 + 7
11x = -5
x = -5/11
En espérant t'avoir aidé.