J'ai des inéquation a résoudre et je n'y arrive vraiment pas
A]          3z-1 < z+2

B]          -2(2z-3) > z+21

J'ai vraiment besoin d'aide !! 
Merci 

By: USER2172
26 Agustus 2025 mathematiques 5 minutes
4.5
202 views 202 comments 13 shares

Question

Grade: Education Subject: mathematiques
J'ai des inéquation a résoudre et je n'y arrive vraiment pas
A]          3z-1 < z+2

B]          -2(2z-3) > z+21

J'ai vraiment besoin d'aide !! 
Merci 
Asked by:
202 Viewed 202 Answers

Answer (202)

Best Answer
(257)
A] 3z-1 < z+2
  2z<3
  z<1,5

B] -2(2z-3) > z+21
  -4z+6 > z+21
-5z > 15
z < -3

Answered on 26 Agustus 2025

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