Comment on calcul 3 + 4 (2x - 1) = 3(x + 5) -2

By: USER7375
25 Agustus 2025 mathematiques 5 minutes
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Grade: Education Subject: mathematiques
Comment on calcul 3 + 4 (2x - 1) = 3(x + 5) -2
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(128)
3 + 4 (2x - 1) = 3(x + 5) -2
3+8x-4=3x+15-2
8x-3x=15-2-3+4
5x=14
x=14/5
Answered on 25 Agustus 2025
(231)
3 + 4 (2x - 1) = 3(x + 5) -2
multipication est prioritaire

3 + 8x-4=3x+15-2

on additionne

8x-1=3x+13

8x-3x= 13+1
5x = 14
x= 14/5
Answered on 25 Agustus 2025

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