Sagot :

Bonjour

(1/5 m -1/2) = 0 ou (2/3m +1/3) = 0

1/5m = 1/2 ou 2/3m = -1/3

m = 5/2 ou m = -3/6 = -1/2

bonne journée

Réponse :

slt

Explications étape par étape

(1/5 m -1/2) = 0 <=> (2/3m +1/3) = 0

1/5m = 1/2 <=> 2/3m = -1/3

m = 5/2 <=> m = -3/6 = -1/2

Bonne journée!!!