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Sagot :

Bonsoir

4/ -3(-2x -8) = -(-7x -9) + (3x +1)

6x + 24 = 7x+9+3x+1

6x + 24 = 10x + 10

6x - 10x = 10 -24

-4x = -14

x = 7/2

et voilà

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