Bonjour,pouvez vous m’aider svp

Réponse:

52 a a = 8x

b = 6x + 4

c = 4x

d = 6x + 1

e = 12 - 8x

f = 3x

52 b. u = 2 ( à + 1)

v = 3b

w = d - 4

x = 2b + c + 1

53 a. a = 30x carré

b = 11x

c = 30x

d = 5x + 6

e = - x - 3

53 b. e = - 21x

f = 21x

g = - 21x carré

h = 4x

i = 7 - 3x