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Missmanon64
@Missmanon64
April 2019
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URGENT , mettez tout calculs qui vous à aider à trouver le chiffre, merci :)
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maudmarine
Verified answer
On appelle x le nombre manquant
Dans les 2 cas on choisit : -2
-2 = x * 2 + 3
2x = -5
x = -2,5
-2 = x * 4 + 8
4x = -10
x = -2,5
Le nombre choisi est donc : -2,5
Vérification :
-2,5 x 2 + 3 = -5 + 3 = -2
-2 = -2,5 x 4 + 8 = -10 + 8 = -2
1 votes
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URGENT POUR DEMAIN S IL VOUS PLAIT MERCI D AVANCE :)
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URGENT S IL VOUS PLAIT C EST POUR DEMAIN :( Merci d'avance C'est l'ex 6
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URGENT merci de m'aider. :)
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Voir photo, URGENT :)
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Verified answer
On appelle x le nombre manquantDans les 2 cas on choisit : -2
-2 = x * 2 + 3
2x = -5
x = -2,5
-2 = x * 4 + 8
4x = -10
x = -2,5
Le nombre choisi est donc : -2,5
Vérification :
-2,5 x 2 + 3 = -5 + 3 = -2
-2 = -2,5 x 4 + 8 = -10 + 8 = -2