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Paulchataignier
@Paulchataignier
May 2019
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Bonjour,quelq'un pourrait m'expliquer comment on résoud (10-4x)×7=0 merci d'avance =)
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MonsieurFirdown
Verified answer
Bonjour
--> il suffit de distribuer :/ ...
Propriété :
(a+b)×k
= a×k + b×k
= ak + bk
♧ On a :
(10 - 4x)×7=0
70 - 28x = 0
- 28x = - 70
--> Tu termines ;)
Voilà ^^
0 votes
Thanks 1
Commentaires
Verified answer
Bonjour
( 10 - 4 x ) * 7 = 0
70 - 28 x = 0
- 28 x = - 70
x = 70/28
x =
2.5
1 votes
Thanks 1
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Lista de comentários
Verified answer
Bonjour--> il suffit de distribuer :/ ...
Propriété :
(a+b)×k
= a×k + b×k
= ak + bk
♧ On a :
(10 - 4x)×7=0
70 - 28x = 0
- 28x = - 70
--> Tu termines ;)
Voilà ^^
Verified answer
Bonjour( 10 - 4 x ) * 7 = 0
70 - 28 x = 0
- 28 x = - 70
x = 70/28
x = 2.5