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Sagot :

MAUDMARINE

Bonjour

1) 5×+3=7×-2

5x - 7x = - 2 - 3

- 2x = - 5

x = 5/2

2) 2(×-1)+4=5-4×

2x - 2 + 4 = 5 - 4x

2x + 4x = 5 + 2 - 4

6x = 3

x = 3/6

x = 1/2

3) ×:2×+9=6

x/2 = 6 - 9

x/2 = - 3

x = - 6

4) 2×+1=3×-2​

2x - 3x = - 2 - 1

- x = - 3

x = 3.

RANIA551

Réponse:

Calculons ✨☄️

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Voilà j'espère t'avoir aidé

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