résoudre : -8x + 3 = 10 4x + 10x + 1 = - 9 5x-2 = 20
Mathématiques
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Question
résoudre :
-8x + 3 = 10
4x + 10x + 1 = - 9
5x-2 = 20
-8x + 3 = 10
4x + 10x + 1 = - 9
5x-2 = 20
1 Réponse
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1. Réponse ellajaumi6494
-8x = 10 - 3
-8x = 7
x = 7/-8
4x + 10x = -9 -1
14x = -10
x = -10/14
5x = 20 +2
5x = 22
x = 22/5