mykenzihutcherson mykenzihutcherson 04-03-2021 Mathematics contestada 3m-2n-9+(6m)-12n+7 plz plz plz plz plz plz plz plz plz plz plz plz pzl zplz plz plz plz plz plz plz plz plz plz plz plz plz plz plz pl plz plz plz plz plz plz plz plz plz plz plz plz plz plz help me