3x - 2 = 23 - 3x
3x+3x = 23 +2
6x = 21
x = 21/6
x= 3,5
Donc non!
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Bonjour;
3x - 2 = 23 - 3x
3x+3x = 23 +2
6x = 21
x = 21/6
x= 3,5
Donc non!