bonsoir
DVD = x
jeu = 3 x
console = 6 x
2 x + 3 ( 3 x ) + 6 x = 212.50
2 x + 9 x + 6 x = 212.50
17 x = 212.50
x = 12.5
DVD = 12.5 €
jeu = 37.50€
console = 75 €
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bonsoir
DVD = x
jeu = 3 x
console = 6 x
2 x + 3 ( 3 x ) + 6 x = 212.50
2 x + 9 x + 6 x = 212.50
17 x = 212.50
x = 12.5
DVD = 12.5 €
jeu = 37.50€
console = 75 €