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Zabouninette
@Zabouninette
May 2019
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SVP aidez moi, je cale vraiment...tout se mélange
au moins pour commencer les exercices, pour m'orienter...
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MonsieurFirdown
Verified answer
Bonsoir
Exos 2 :
♤a.
3x + 2 = 6
3x = 4
x = 4/3
♤b.
x/3 - 1 = 4
x/3 = 5
x = 3×15/1 d'où x = 15
♤c.
(x+3)-2(x+2) = 25
x+3 -2x -4 = 25
-x + -1 = 25
- x = 26 d'où x = -26
Voilà ^^
1 votes
Thanks 2
MonsieurFirdown
^^
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Lista de comentários
Verified answer
BonsoirExos 2 :
♤a.
3x + 2 = 6
3x = 4
x = 4/3
♤b.
x/3 - 1 = 4
x/3 = 5
x = 3×15/1 d'où x = 15
♤c.
(x+3)-2(x+2) = 25
x+3 -2x -4 = 25
-x + -1 = 25
- x = 26 d'où x = -26
Voilà ^^