Need help in placement games

I started about 2 months ago but i've already learned quickly and has been said to be on the level of Silver players and I played my first game by myself as support with the score 0/0/17 but I know ranked is a double edge sword so I wont have good teammates for long so I was wondering if anyone can spend some time to assists me i'd very much appreciate it (Summoner Name: lDeucalionl) Ls on both sides