La réponse détaillée des équitations
" 2x-3=6"
"9x+3=7x-5"

By: USER2925
26 Agustus 2025 mathematiques 5 minutes
4.5
70 views 70 comments 13 shares
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Question

Grade: Education Subject: mathematiques
La réponse détaillée des équitations
" 2x-3=6"
"9x+3=7x-5"
Asked by:
70 Viewed 70 Answers

Answer (70)

Best Answer
(149)
2x-3=6
2x= 6+3
2x=9
x=9/2
x= 4,5

9x+3=7x-5
9x=7x-5-3
9x=7x-8
9x-7x=-8
2x=-8
x=-8/2
x= -4
Answered on 26 Agustus 2025
(232)
2x-3=6
2x-3+3=6+3
2x=9
2x/2=9/2
x= 9/2 ou 4,5 (cest pareil)

9x+3=7x-5
9x+3-3-7x=7x-5-3-7x
2x= -8
2x/2= -8/2
x= -4
Answered on 26 Agustus 2025

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