bonsoir
t - 9 = 25
t = 25 + 9
t = 34
8 d = 17
d = 17/8
- 3 y = 16
y = - 16/3
- 2 u = 28
u = - 28/2 = - 14
2 a + 5 = 45
2 a = 45 - 5
2 a = 40
a = 20
tu continues les autres
4 m + 12 = 7
4 m = 7 - 12
4 m = - 5
m = - 5/4
- 4 k + 16 = - 8
- 4 k = - 8 - 16
- 4 k = - 24
k = 6
continues