2x-3/4=2.5x-3/5 cmb?
Mathématiques
Lolipops68170
Question
2x-3/4=2.5x-3/5 cmb?
2 Réponse
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1. Réponse winner123
bonjour
2 x - 3/4 = 2,5 x - 3/5
2 x - 2.5 x = - 3/5 + 3/4
- 0.5 x = - 12/20 + 15/20
- 0.5 x = 3/20
10 x = 3
x = 3/10 -
2. Réponse olaykaw
2 x - 3/4 = 2,5 x - 3/5
2 x - 2.5 x = - 3/5 + 3/4=- 0.5 x = - 12/20 + 15/20
- 0.5 x = 3/20=10 x = 3
x = 3/10