So most of the time when i play in a 5 stack or at least with 1 or 2 friends, i perform worse then when solo queuing. Does this happen to anyone else, and does anyone have an explaination for this?

I have this issue where I care a lot about how I perform in ranked, especially when it comes to solo q. I don't really care if I'm winning or losing, but if I'm playing bad I feel like I'm letting the team (of randoms) down. And that they'r...