Constantly loosing games, and not progressing.

Hi League community, I have a huge problem when it comes to trying to progress in the game, and I'm not talking about my own skills. So... Any lane that I play, tend to be really great for myself and I can push advantages/make advantages. Although any lane I play results in constant loses, I've played top, jungle, mid, marksman and support but still am unable to gain wins that are more than 1 game. Mechanically and knowledgeably I'm pretty decent. I've turned to you guys for any information that you can kindly share with me. Currently as of writing this I am Silver I, but I personally do not feel that this is my rank and I can visually see it when I'm playing. Anything as of right now is good information. Thanks.
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