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Florinebuko
@Florinebuko
June 2021
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Exercice de maths n*1 svp ❤
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Docolivier
Toutes tes équations résolues aboutissent à x= 5 sauf 1 :
Pour les résoudre, on met x du même côté :
2x+3 = 13
2x = 10
x =10/2 = 5
5x-6 = 4x-1
5x-4x = 6-1
x = 5
-3x = -15
x = 15/3. =5
9x-45 = -9x +45
9x+9x = 45+45
18x = 90
x = 90/18 = 5
-4x+2 = - 18
-4x = -16
x = 14/4 = 4
voilà l'intruse....
x-3 = 4x-18
-3+18 = 4x-x
15 = 3x
x = 15/3= 5
Voilà !
1 votes
Thanks 1
Florinebuko
merci
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Lista de comentários
Pour les résoudre, on met x du même côté :
2x+3 = 13
2x = 10
x =10/2 = 5
5x-6 = 4x-1
5x-4x = 6-1
x = 5
-3x = -15
x = 15/3. =5
9x-45 = -9x +45
9x+9x = 45+45
18x = 90
x = 90/18 = 5
-4x+2 = - 18
-4x = -16
x = 14/4 = 4
voilà l'intruse....
x-3 = 4x-18
-3+18 = 4x-x
15 = 3x
x = 15/3= 5
Voilà !