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QueenD
@QueenD
May 2019
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Bonjour, vous pouvez m'aider svp Trouvez x sachant que: -2x-4= 1-3x
et trouvez x sachant que: -7 x (-2)=-7x
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mario000K
1er calcul :
8
2éme calcul:
14
0 votes
Thanks 1
mario000K
fait avec calculatrice mais non
catherine1234
Bonsoir, -2x-4=1-3x -2x+3x=1+4 x=5 -7 fois (-2) = -7 x (c'est ce qu'on te demande ?) +14= -7x x = 14/-7 et x= -2
1 votes
Thanks 1
catherine1234
de rien
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Lista de comentários
8
2éme calcul:
14