Bonsoir, j’aurais besoin d’aide pour ses exercices sur la photo. Merci :)

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