Réponse :
Explications étape par étape
Bonjour,
a)
4x-2x= 15 -11
2x = 4
x= 4/2 = 2
b)
3x -2x =5-2
x = 3
c)
5x-x =11 -3
4x= 8
x= 8/4 = 2
d)
5x-3x =12 -5
2x = 7
x= 7/2
a) 4x + 11= 2x + 15
4x - 2x = 15 - 11
2x= 4
x= 4/2
x= 2
b) 3x + 2= 2x + 5
3x - 2x = 5 - 2
x= 3
c) 5x + 3= x + 11
5x - x = 11 - 3
d) 5x + 5 = 3x + 12
5x - 3x= 12 - 5
2x= 7
x= 3,5
En espérant t'avoir aidé,
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Verified answer
Réponse :
Explications étape par étape
Bonjour,
a)
4x-2x= 15 -11
2x = 4
x= 4/2 = 2
b)
3x -2x =5-2
x = 3
c)
5x-x =11 -3
4x= 8
x= 8/4 = 2
d)
5x-3x =12 -5
2x = 7
x= 7/2
Verified answer
Bonjour,
a) 4x + 11= 2x + 15
4x - 2x = 15 - 11
2x= 4
x= 4/2
x= 2
b) 3x + 2= 2x + 5
3x - 2x = 5 - 2
x= 3
c) 5x + 3= x + 11
5x - x = 11 - 3
4x= 8
x= 8/4 = 2
d) 5x + 5 = 3x + 12
5x - 3x= 12 - 5
2x= 7
x= 7/2
x= 3,5
En espérant t'avoir aidé,