👤

[ ( k × 3 - 2 ) : 2 + 15 ] : 4 = 5 Dau coroana

Răspuns :

[(3k-2):2+15]:4=5
(3k-2):2+15=20
(3k-2):2=5
3k-2=10
3k=12
k=12/3
k=4