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Emile1
@Emile1
April 2019
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Aider mois SVP merci.
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winner123
Verified answer
Bonsoir
soit x les billets de 5 € et y ceux de 20
on a
x + y = 43
5x +20y = 470
-5x - 5y = - 215
5x +20y = 470
15y = 255
y = 17
on a 17 billets de 20€
x +17 = 43
x = 43 -17
x = 26
on a 26 billets de 5€
5 x 26 + 17 x 20 = 130+340 = 470
1 votes
Thanks 1
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Emile1
April 2019 | 0 Respostas
HELLLLLLPPPPPPPMERCI DAVANCE
Responda
Emile1
April 2019 | 0 Respostas
De laide SVP sa fait 5 fois que je mais le meme exe de laide SVPMERCI.
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Emile1
April 2019 | 0 Respostas
bonjour aider moi SVP Representer graphiquement la fonction f definie par f(x) = 3-2xMERCI
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Emile1
April 2019 | 0 Respostas
Bonsoir pouvez vous maider SVP merci.
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Emile1
April 2019 | 0 Respostas
Bonjour,Aidez-moi s'il vous plaita)3x - y = -9 b) 4x + 5y = -21 -4x + 5y = 23 x + 5y = -9c) 0,5x - 2y = -10 d) -7x + y = 15 -x + 1,5y = 5 -3x + 2y = 8MERCI.
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Verified answer
Bonsoirsoit x les billets de 5 € et y ceux de 20
on a
x + y = 43
5x +20y = 470
-5x - 5y = - 215
5x +20y = 470
15y = 255
y = 17
on a 17 billets de 20€
x +17 = 43
x = 43 -17
x = 26
on a 26 billets de 5€
5 x 26 + 17 x 20 = 130+340 = 470