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Sagot :

AYUDA

bjr

on va reprendre les solutions trouvées

1er tableau

2x-1 = -3

2x = -2

x = - 1 ok

on part donc de - 1

-4x+2 = 2x-16

-6x = -18

x = 3   et pas - 3

on relie - 1 à 3

2eme tableau

2x-2 = 3x

-x = 2

x = -2  pas 2

on relie 3 à - 2

5x+7 = 3-6x-7

11x = -11

x = - 1  ok

-5x-1 = -2x-1

-3x = 0

x = 0 ok

-2x - 2 = - 6x + 10

4x = 12

x = 3   pas 2

3eme tableau

8x - 2 = 4x + 3

4x = 5

x = 5/4   ok

c mega long :(

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