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carla48
@carla48
January 2021
2
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bonjours svp est ce que vous pouvez m'aider à résoudre les équations de l'exercice 1 et 2 c'est pour demain urgent
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PetiteKyojo
Bonjour ,
2)
a) 2x=3 b)5x=10 c)-3x=9 d)2x=-4 e)4x=8/3 f)-3x=5/2
x=3/2 x=2 x=-3 x=-2 x=2/3 x=-5/6
3)
a)2x+1=3 b)-5x-2=4 c)3=-3x+1 d)2=3x-1 e)1/2x-1=0 f)10x-5=7
2x=3-1 -5x=4+2 3x=1-3 -3x=-1-2 x-2=0 10x=7+5
2x=2 -5x=6 3x=-2 -3x=-3
x=2
10x=12
x=1 x=-6/5 x=-2/3 x=1
x=6/5
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carla48
bonjours vous avez donner la réponse de tout le 2 et 3 ou que le a du 2 et 3
carla48
svp
PetiteKyojo
le 2) et le 3)
PetiteKyojo
tout
telephone16
A) 2x =3
x = 3/2
b) 5x = 10
x = 10/5 = 2
c= -3x = 9
x= 9/3 = 3
d) 2x = -4
x= -4/2 = -2
e) 4x = 8/3
12x/3 = 8/3
x = 8/12 = 2/3
f) -3x = 5/2
-6x/2 = 5/2
x= 5/6
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2)
a) 2x=3 b)5x=10 c)-3x=9 d)2x=-4 e)4x=8/3 f)-3x=5/2
x=3/2 x=2 x=-3 x=-2 x=2/3 x=-5/6
3)
a)2x+1=3 b)-5x-2=4 c)3=-3x+1 d)2=3x-1 e)1/2x-1=0 f)10x-5=7
2x=3-1 -5x=4+2 3x=1-3 -3x=-1-2 x-2=0 10x=7+5
2x=2 -5x=6 3x=-2 -3x=-3 x=2 10x=12
x=1 x=-6/5 x=-2/3 x=1 x=6/5
x = 3/2
b) 5x = 10
x = 10/5 = 2
c= -3x = 9
x= 9/3 = 3
d) 2x = -4
x= -4/2 = -2
e) 4x = 8/3
12x/3 = 8/3
x = 8/12 = 2/3
f) -3x = 5/2
-6x/2 = 5/2
x= 5/6