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Sagot :

Réponse :

Explications étape par étape :

Bonjour

5x =3x+3

5x -3x = 3

2x = 3

x= 3/2

8x = 12x +4

8x - 12x = 4

- 4x = 4

x = 4/-4

x = -1

4-7y=10ÿ

4=10y - 7y

4 = 3y

4/3 = y

5 + 6x = -x -9

6x + x = -9 -5

7x = -14

x= -14/7

x= -2

11x + 3 = 8x + 7

11x - 8x = 7 -3

3x = 4

x= 4/3

5,5 x + 1,5 = 9x + 6

1,5 -6= 9x - 5,5 x

-4,5 = 3,5x

-4,5/3,5=x

x= -0,9/0,7

x= -9/7

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