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Evaatbk
@Evaatbk
May 2019
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Bonjour j’aurai besoin d’aide pour les petits b) et d) sur les équations du 1er degré svpp
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iFrostizz
B: (-3x-2)/(x+3)=2
((-3x)/(x+3))-((2)/(x+3))-2=0
((-3x)/(x+3))-2=((2)/(x+3))
-3x-2x+3=2
-5x+3=2
-5x=-1
x=1/5
D: ((2x)/5)+3=-4x-2/3
(2x/5)+4x=-2/3-3
22x/5=-11/9
198x/45=-55/45
198x=-55
x=-55/198
x=-5/18
(Je ne suis pas sur pour le D donc bon)
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Lista de comentários
((-3x)/(x+3))-((2)/(x+3))-2=0
((-3x)/(x+3))-2=((2)/(x+3))
-3x-2x+3=2
-5x+3=2
-5x=-1
x=1/5
D: ((2x)/5)+3=-4x-2/3
(2x/5)+4x=-2/3-3
22x/5=-11/9
198x/45=-55/45
198x=-55
x=-55/198
x=-5/18
(Je ne suis pas sur pour le D donc bon)