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cminv40
@cminv40
June 2021
1
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POUVEZ VOUS M AIDER POUR LES QUESTIONS e f g MERCI
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winner123
Verified answer
Je recommence, je me suis trompée en reportant dans la e
e ) 3 - 6 x + 21 = 2 x - 5 x + 15
- 6 x - 2 x + 5 x = 15 - 3 -21
- 3 x = - 9
x = 3
f ) 6 a + 2 - 5 a = 8 a - 7 + 2a
6 a - 5 a - 8 a - 2 a = - 7 - 2
-15 a + 6 a = - 9
- 9 a = - 9
a = 1
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cminv40
ok la e est juste peux tu m aider pour la d
winner123
attends, si tu sais que c'est juste ou pas, pourquoi tu postes ?
cminv40
il y un moyen de verifier
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Lista de comentários
Verified answer
Je recommence, je me suis trompée en reportant dans la ee ) 3 - 6 x + 21 = 2 x - 5 x + 15
- 6 x - 2 x + 5 x = 15 - 3 -21
- 3 x = - 9
x = 3
f ) 6 a + 2 - 5 a = 8 a - 7 + 2a
6 a - 5 a - 8 a - 2 a = - 7 - 2
-15 a + 6 a = - 9
- 9 a = - 9
a = 1