How to climb out of plat

Dísturbed - Summoner search results - League of Legends
Dísturbed / Platinum 5 0LP / 437W 456L Win Ratio 49% / Udyr - 93W 89L Win Ratio 51%, Gangplank - 40W 40L Win Ratio 50%, Thresh - 30W 28L Win Ratio 52%, Yasuo - 24W 17L Win Ratio 59%, Lee Sin - 16W 14L Win Ratio 53%
Most of the times my team falls i dont know what to do am losing so many games i do a good job in my lane/jungle and they always do something so stupid that lead to trow and lost game I know a lot of streamer say plat is elo where you
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