Sagot :
Bonjour,
3 + x = 11
x = 11 - 3
x = 8
x- 7 = 2
x = 2 + 7
x = 9
x + 6 = -10
x = -10 - 6
x = -16
-2 + x = 5
x = 5 + 2
x = 7
x + 9 = 16
x = 16 - 9
x = 7
Bonjour,
3 + x = 11
x = 11 - 3
x = 8
x- 7 = 2
x = 2 + 7
x = 9
x + 6 = -10
x = -10 - 6
x = -16
-2 + x = 5
x = 5 + 2
x = 7
x + 9 = 16
x = 16 - 9
x = 7