Demoted cause of my team

I was demoted again today from silver 1 to silver 2 again cause the team fed . If you check my match history you will see that in the last 7 games i had multiple players in my team with scores like 10 more deaths than their kills in all 7 last ranked games while my score was relatively good . Why should i get demoted due to the feeding of other players ??? I have reported the players that fed but i think nothing will happen
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