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Sagot :

Bonjour,

2x + 3 = 3x - 5

2x - 3x = - 5 - 3

- x = -8

x = 8

2x - 3 = 5 + 3x - 8

2x - 3x = 5 - 8 + 3

- x = - 3 + 3

x = 0

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