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Est-ce que qq peut me donner les réponses svp ? J’ai rien compris

Estce Que Qq Peut Me Donner Les Réponses Svp Jai Rien Compris class=

Sagot :

Bonjour !

1) x-1/3 = 1 => x-1/1 =3x-1 =3 =>x=4/3

2) x+1/2 =5/4 => 2x+1/2 =5/=>8x+4=10

=>8x = 6 => x = 3/4

3) x/4 = 3 => x = 12

4) x/-3 = - 4 => x =-12

5) x-1/4=-1/2=>4x-1/4 =1/2=>8x-2=-4

=> 8x = - 4+2 => x = - 2/8 =>x = - 1/4

Bonne continuation.