Bonjour svp aidez c'est une equation type ax=b (en fraction exemple: zsur5)
a.zSUR5=3SUR4
b.xSUR7=7SUR6
f.7xSUR2=1SUR4
g.2xSUR9= -7SUR27

By: USER5186
26 Agustus 2025 mathematiques 5 minutes
4.5
161 views 161 comments 13 shares

Question

Grade: Education Subject: mathematiques
Bonjour svp aidez c'est une equation type ax=b (en fraction exemple: zsur5)
a.zSUR5=3SUR4
b.xSUR7=7SUR6
f.7xSUR2=1SUR4
g.2xSUR9= -7SUR27
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Réponse :

z/5=3/4

4z=3*5

4z=15

z=15/4

x/7=7/6

6x=7*7

6x=49

x=49/6

7x/2=1/4

4*7x=2*1

28x=2

x=2/28=1/14

2x/9=7/27

2x*27=9*7

54x=63

x=54/63=6/7

Explications étape par étape

Answered on 26 Agustus 2025

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