7x + 8 - 2(3x - 1) = x
Mathématiques
crusetiphaine33
Question
7x + 8 - 2(3x - 1) = x
1 Réponse
-
1. Réponse agathe1170
7x+8+6x-1 = x
13x+7 = x
13x = -7
x= -7/13