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Hcollet59
@Hcollet59
April 2019
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Bonsoir je ne comprend pas cette exrecice ... aidez moi merci d'avance ..
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winner123
Verified answer
Bonsoir
4x +15 = 5x -5
4x -5x = -5 -15
-x = -20
x = 20
1Cd vaut 20€
1 votes
Thanks 1
lolita1234
En faite il faut que tu fasse une équation
4x +15 = 5x -5
4x -5x = -5 -15
-x = -20
x = 20
donc le prix de 1 CD vaut 20€
tu dois mettre d'un côté les x et de l'autre les nombres pour les équations
0 votes
Thanks 1
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Verified answer
Bonsoir4x +15 = 5x -5
4x -5x = -5 -15
-x = -20
x = 20
1Cd vaut 20€
4x +15 = 5x -5
4x -5x = -5 -15
-x = -20
x = 20
donc le prix de 1 CD vaut 20€
tu dois mettre d'un côté les x et de l'autre les nombres pour les équations