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Sagot :

Réponse :

Explications étape par étape

A = 11 + 2(x - 6) + 4(-3x - 6)

A = 11 + 2x -  12 - 12x - 24

A = -10x - 25

B = - 2(x - 5) - 3(7 - 4x)

B = - 2x + 10 - 21 +12x

B = 10x - 11

C = 8 + 2y - 5(2y - 6) + 4

C = 8 + 2y - 10y + 30 + 4

C = - 8y + 42

D = - 7y - 4(3y - 6) + 3 + 2(3y - 7)

D = - 7y - 12y + 24 + 3 + 6y - 14

D = - 13y + 13

E = - 5z + 5z(z - 3) - 7(6 - 8z)

E = - 5z + 5z² - 15z - 42 + 56z

E = 5z² + 36z - 42

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