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Sagot :

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x/7 + 5 = 29 ⇒ x/7 = 29 - 5 = 24 ⇒ x = 7 × 24 = 168

(x-8) × 9 = 72 ⇒ 9x - 72 = 72 = 9x = 72 + 72 = 144 ⇒ x = 144/9 = 16

8x + 11 = 3x + 96 ⇒ 8x - 3x = 96 - 11 ⇒ 5x = 85 ⇒ x = 85/5 = 17

INEQUATION

Bonjour,

Résoudre les équations:

x :7 +5 = 29 => x/7= 29-5 => x= 7(24) => x= 168  

(x -8) x9 = 72 => 9x-72= 72 => 9x= 72+72 => x= 144/9 => x= 16

8x +11 = 3x +96 => 8x-3x= 96-11 => x= 85/5 => x= 17

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