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Puchino
@Puchino
May 2019
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Resolution
Je n'arrive pas à poser une résolution d'équation. Pouvez-vous m'aider en justifiant ? Merci d'avance.
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Bonjour,
x = poids d'1 sac de sucre
lisa porte 5kg et 2sacs
⇒5+2x
mona porte 3kg et 6sacs
⇒3+6x
elles portent le même poids
5+2x = 3+6x
2x-6x = 3-5
-4x =-2
x = 2/4 = 0,5
1 sac pese 0,5kg
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Verified answer
Bonjour,x = poids d'1 sac de sucre
lisa porte 5kg et 2sacs
⇒5+2x
mona porte 3kg et 6sacs
⇒3+6x
elles portent le même poids
5+2x = 3+6x
2x-6x = 3-5
-4x =-2
x = 2/4 = 0,5
1 sac pese 0,5kg