résoudre dans IR × IR le système x + y= 8​ et x + 2y - 11 = 0​

By: USER9148
27 Agustus 2025 mathematiques 5 minutes
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Grade: Education Subject: mathematiques
résoudre dans IR × IR le système x + y= 8​ et x + 2y - 11 = 0​
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Résoudre dans IR × IR le système x + y= 8​ et x + 2y - 11 = 0​

x = 8 - y

8 - y + 2y -11 = 0

y - 3 = 0

y = 3  et  x = 8-3 = 5

donc les solutions du système est le couple  (5 , 3)

Explications étape par étape :

Answered on 27 Agustus 2025

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