Répondre :
1/3(3x+12)-5(3/5x-16)=3
x+4-3x+80=3
-2x=-81
x=40,5
2(5x+3)-4(x-1)=2
10x+6-4x+4=2
6x=-8
x=-4/3
6(2x-1)=5(-x+4)
12x-6=-5x+20
17x=26
x=26/17
x+4-3x+80=3
-2x=-81
x=40,5
2(5x+3)-4(x-1)=2
10x+6-4x+4=2
6x=-8
x=-4/3
6(2x-1)=5(-x+4)
12x-6=-5x+20
17x=26
x=26/17