Réponses

2014-06-01T13:03:04+02:00
2x=8
x=8/2=4
11x=-55
x=-55/11=-5
7x=-2
x=-2/7
-4x=28
x=28/-4=-7
-5x=-2
x=-2/-5=2/5
15x=-5
x=-5/15=-1/3
2014-06-01T13:10:16+02:00
2x = 8
x =8/2
 x = 4

-4x = 28
x = 28/-4
x = -7

11x = -55
x = -55/11
x = -5

-5x = -2
x = -2/-5
x = 2/5

7x = -2
x = -2/7

15x = -5
x = -5/15
x = -1/3