Bonjour,
gris: 5+x
bleu foncé: 3x+5
5+x+3x +5 = 9
4x = 9-5-5
4x =-1
x= -1/4
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
Bonjour,
gris: 5+x
bleu foncé: 3x+5
5+x+3x +5 = 9
4x = 9-5-5
4x =-1
x= -1/4