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Sagot :

MILA72

Explications étape par étape:

A = 2- x - x +2

A = -2x + 4

B = -3 - y + 5 - 8y

B = 2 - 9y

C = 1 - 5x + 6 + 2x

C = 7 - 3x

D = - 2 + 3y - 5 - 7y

D = - 7 - 4y

E = 7 - 4x + 8 + 6 + 2x

E = 21 - 2x

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