Réponses

2013-12-04T14:19:19+01:00
8+(3x-2) = 5x-(4-2x)
8+3x-2 = 5x-4+2x
-4x = -10
x = 10/4

5(x-2) = 2x+(x+6)
5x-10 = 2x+x+6
2x = 16
x = 8