bonjour
Pierre = x
Mathieu = x + 7
Brian = 3 ( x + 7 ) = 3 x + 21
x + x + 7 + 3 x + 21 = 123
5 x = 123 - 7 - 21
5 x = 95
x = 19
Pierre = 19
Mathieu = 26
Brian = 78
Copyright © 2024 ELIBRARY.TIPS - All rights reserved.
Lista de comentários
bonjour
Pierre = x
Mathieu = x + 7
Brian = 3 ( x + 7 ) = 3 x + 21
x + x + 7 + 3 x + 21 = 123
5 x = 123 - 7 - 21
5 x = 95
x = 19
Pierre = 19
Mathieu = 26
Brian = 78