What could i do to improve?

So i'm in silver elo, my main issues are: Seems like the elo itself really Everyone argues and flames. People going 0/10 literally seem to have this mental block that its hindered the game at all. Any lead i do gain i struggle to keep it because i cant gain gold faster than my team is giving it away for free. I find myself playing normals with mainly diamonds and plats (for some reason) I can't really improve if im being roflstomped. What do i do to improve? people give advice but its kinda like they have no idea what silver elo is like or even have forgotten.
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