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Sonic75
@Sonic75
May 2019
2
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Svp aidé moi je ne comprend pas.merci a celui qui m'aidera : 19 points !!!
Je pense a un nombre.
Si je lui enlève 3, j'obtiens la moitié du nombre initiale augmentée de 1
A quel nombre ai-je pensé ???
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winner123
Verified answer
Bonjour
x - 3 = x/2 + 1
2 x - 6 = x + 2
2 x - x = 2 + 6
x = 8
tu as choisi 8
1 votes
Thanks 2
sonic75
merci beaucoup. Tu me sauve ; )
ficanas06
Verified answer
Soit n ce nombre.
on a l'équation:
n-3 = 0.5n + 1
n-0.5n= 3+1
0.5n = 4
n=4 / 0.5
n = 8
Ce nombre est 8
2 votes
Thanks 1
sonic75
merci beucoup ; )
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Verified answer
Bonjourx - 3 = x/2 + 1
2 x - 6 = x + 2
2 x - x = 2 + 6
x = 8
tu as choisi 8
Verified answer
Soit n ce nombre.on a l'équation:
n-3 = 0.5n + 1
n-0.5n= 3+1
0.5n = 4
n=4 / 0.5
n = 8
Ce nombre est 8