I need some Advice and tips

can anyone PLEASE tell me how to impruve in this elo hell Bronze 2.0 ( Gold ) I am doing my best win my lane and roaming and trying help my team not flameing but nothing helps its IMPOSIBLE to carry IMPOSIBLE 0/5 bot by min 7 nothing I can do my adc got killed by solo support tell me what to do how to impruve its eider troll,feeder,toxic team mate,top trolling,crying baby ruins the game idk how to impruve in this Bronze 2.0 elo hell and pls don't tell me its a bad game look at my scores in bad games 0/10 its not bad game its called feeding

thank you for Reading