( - 6 x - 6 ) /6 - ( 3 x + 4 ) /- 1 = - 2
( - 6 x - 6 ) /6 - ( - 18 x - 24 ) /6 = - 12/6
- 6 x - 6 + 18 x + 24 = - 12
12 x = - 12 + 6 - 24
12 x = - 30
x = - 2.5
bjr
comme (-6x-6) = 6 (-x-1)
on aura
6 (-x-1) / 6 + 3x + 4 = -2
soit
-x - 1 + 3x + 4 = - 2
2x = -2 - 3
2x = -5
x = -5/2
