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Sagot :

TELEPHONE16

Réponse :

Explications étape par étape :

A =  17- (2x + 3)

A = 17 -2x -3

A = -2x + 14

B = -4x+(6-3x)

B = -4x + 6 -3x

B = -7x + 6

C = 5(2x + 4)- (10-3x)

C = 10 x + 20 - 10 + 3x

C = +13x +10

D =  (2x - 3)-(5x+7)

D = 2x - 3 -5x -7

D = -3x -10

E = x-8-(2 + 4x - (9-5x))

E = x-8-(9x-7)

E = x-8-9x+7

E = -8x-1

INEQUATION

Bonsoir,

Développer:

a. 17- (2x + 3)= 17-2x-3= -2x+14

b.-4x+(6-3x)= - 4x+6-3x= -7x+6

c. 5(2x + 4)-(10-3x)= 10x+20-10+3x= 13x+10

d. (2x - 3)-(5x+7)= 2x-3-5x-7= -3x-10

e.x-8-(2 + 4x - (9-5x))= x-8-(2+4x-9+5x)= x-8-(9x-7)= x-8-9x+7= -8x-1

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