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Emmadu49
@Emmadu49
April 2019
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Merci de m'aidez c'est pour demain !
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winner123
Verified answer
Bonsoir
Tu appelles x les chemisiers et y les pantalons.
Tu poses :
3x + y = 100
x + 2y = 100
-6x -2y = -200
x + 2y = 100
- 5x = -100
x = 20
les chemisiers coûtent 20€
3x +y = 100
60 + y = 100
y = 100 -60
y = 40
les pantalons valent 40 €
3 chemisiers + 1 pantalon = 60 +40 = 100
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Thanks 1
emmadu49
Merci beaucoup :)
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Aider moi c'est pour demain ;)
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c'est le 35 et ne suivez pas la consigne il faut juste que je trouve les lettres pour demain merci
Responda
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Verified answer
BonsoirTu appelles x les chemisiers et y les pantalons.
Tu poses :
3x + y = 100
x + 2y = 100
-6x -2y = -200
x + 2y = 100
- 5x = -100
x = 20
les chemisiers coûtent 20€
3x +y = 100
60 + y = 100
y = 100 -60
y = 40
les pantalons valent 40 €
3 chemisiers + 1 pantalon = 60 +40 = 100