fie x=2y si y=3z
{x+y+z=370....{6z+3z+z=370...{10z=370...{z=370/10...{z=37......{z=37
x=2y=6z.........x=6z.................x=6z.........x=6z...........x=6x37...x=222
y=3z...............y=3z.................y=3z.........y=3z..........y=3x37....y=111
raspuns: 222+111+37=370...:D