Bonjour,
J'ai encore besoin d'aide pour un exercice de maths;
Simplifie les équations suivantes puis résous les (on admettra que la valeur trouvée est la solution.)
a. 2x sur 5-1sur 10= 1 sur 2
b.2 sur 5 -x sur 3= 4x+ -1 sur 15
svp merci d'avance

By: USER5525
26 Agustus 2025 mathematiques 5 minutes
4.5
277 views 277 comments 13 shares

Question

Grade: Education Subject: mathematiques
Bonjour,
J'ai encore besoin d'aide pour un exercice de maths;
Simplifie les équations suivantes puis résous les (on admettra que la valeur trouvée est la solution.)
a. 2x sur 5-1sur 10= 1 sur 2
b.2 sur 5 -x sur 3= 4x+ -1 sur 15
svp merci d'avance
Asked by:
277 Viewed 277 Answers

Answer (277)

Best Answer
(370)

Bonjour,

Simplifie les équations suivantes puis résous-les (on admettra que la valeur trouvée est la solution.)

a. 2x/5-1/10= 1/2

4x/10 = 1/10 + 5/10

4x = 6

x = 6/4

x = 2/3

b.2/5 -x/3= 4x+ -1/15

6/15 - 5x/15 = 60x/15 - 1/15

- 5x - 60x = - 1 - 6

- 65x = - 7

x = 7/65.

Answered on 26 Agustus 2025

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