Réponses

2013-11-01T18:07:22+01:00
5/12x+1/4x+2/3=x
5/12x+3/12x-12/12x=-2/3
-4/12x=-2/3
-1/3x=-2/3
-x=-2
x=2

7x/6-(x-2)/8=x/2
28x/24-(3x-6)/24=12x/24
28x/24-3x/24+6/24=12x/24
28x-3x+6=12x
28x-3x-12x=-6
13x=-6
x=-6/13

Merci je comprends mieux maintenant.
de rien :)