Bonjour,
Solution d'une équation :
Chacun des nombres suivants est-il solution de l'équation : 3 + 2x = - 4?
a) 2 ; b) - 4
Chacun des nombres suivants est-il solution de l'équation : 3x - 5 = 5x - 15?
a) 4 ; b) -3

By: USER3164
27 Agustus 2025 mathematiques 5 minutes
4.5
259 views 259 comments 13 shares

Question

Grade: Education Subject: mathematiques
Bonjour,
Solution d'une équation :
Chacun des nombres suivants est-il solution de l'équation : 3 + 2x = - 4?
a) 2 ; b) - 4
Chacun des nombres suivants est-il solution de l'équation : 3x - 5 = 5x - 15?
a) 4 ; b) -3

Asked by:
259 Viewed 259 Answers

Answer (259)

Best Answer
(51)
A) non b) oui
L'autre question je ne sais pas
Answered on 27 Agustus 2025
(160)
1.
a) 3+2x2= 3+4=7 non
b) 3+2x(-4)= 3-8=-5 non

2.a)3x4-5 = 5x4-15
   => 7=5 non
b) 3x(-3)-5=5x(-3)-15
  => -14=-20 non
Answered on 27 Agustus 2025

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