Уравение 72+106y=1344 (11z-14)*38=304
72+106y=1344 106у=1344-72 106у=1272 у=1272:106 у=12 (11z-14)*38=304 11z-14=304:38 11z-14=8 11x=8+14 11z=22 z=22:11 z=2