I got banned for 14 days

Hello Riot Games,my account was banned for 14 days. When I was playing league my mother called me to help with the household and I went and my brother start playing from my account.He gets angry easily and when he die he start flame everyone. When I back my account was banned for 14 days.I beg you very much if it is possible to remove the ban. Thank you very much {{sticker:cass-cry}}
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