Réponses

2013-10-03T21:40:46+02:00
Bonsoir

2x-3=4x+2
2x -4x = 2 +3
-2x = 5
x = -5/2
2(x+1)+=-3(4x+-2)
2x+2 = -12x +6
2x +12x = 6 -2
14 x = 4
x = 4/14 = 2/7
x/2=1/3
3x/6 = 2/6
3x = 2
x = 2/3
x/3+4/5=x

x/3 -x = -4/5
5x/15 - 15x/15 = -12/15
5x-15x = -12
-10x = -12
x = 12/10 = 6/5