Bonjour,
Réponse :
7y = y+3
7y-y = 3
6y = 3
y =3/6 ===> on peut simplifier ( 3*1)/(3*2)
y = 1/2
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Bonjour,
Réponse :
7y = y+3
7y-y = 3
6y = 3
y =3/6 ===> on peut simplifier ( 3*1)/(3*2)
y = 1/2