Réponse :
Bonjour
j + 5 = 9
j = 9 - 5
j = 4
7 m = 35
m = 5
k - 9 = - 6
k = - 6 + 9
k = 3
9 n = - 63
n = - 7
3q - 5 = 8 q + 10
3 q - 8 q = 10 + 5
- 5 q = 15
q = - 3
6 p + 3 = 2 p + 5
6 p - 2 p = 5 - 3
4 p = 2
p = 2/4 = 1/2
Explications étape par étape
