Dans 13 ans, l’âge de Victor aura doublé.
Quel est l’âge de Victor ?
Aide : on appelle x l’â...
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Mathematics, 26.04.2021 15:30 kkcheers16
Dans 13 ans, l’âge de Victor aura doublé.
Quel est l’âge de Victor ?
Aide : on appelle x l’âge de Victor
1°) Ecrire son âge dans 13 ans à l’aide de x
2°) Ecrire le double de son âge à l’aide de x
3°) Traduire par une égalité que l’âge de Victor dans 13 ans sera le double de son âge actuel
4°) Résoudre l’équation ainsi obtenue
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