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Sagot :

Réponse :

Explications étape par étape

Bonsoir

[(5/3)^2]^x = (5/3)^(-x-1/3)

(5/3)^2x = (5/3)^(-x-1/3)

2x = -x - 1/3

2x + x = -1/3

3x = -1/3

x = -1/3 * 1/3

x = -1/9

2x = -2/9

-x - 1/3 = 1/9 - 3/9 = -2/9

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