I'm stuck in silver 3 - 2

I don't know what to do anymore I just played two games, both games had a really bad cait that I couldn't do anything with and also a toplaners that fed there a** off, i'm so done with this game I can't win a game because my team is terrible and there is no way I can carry these games because I either lock supp or my team feed soo much that the enemy become unkillable as the champs that got fed were Urgot and Yasuo and now I have demoted silver 3 because of these players. I'm most likely banned now because how toxic I was in both games, I really don't know what to do and it's really making me want to quit. Please someone give me some kind of advice I really don't know what to do, I just want to climb.
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