Respuesta :

Equation: 15 + 6t = 81
Work: 15 + 6t = 81
          -15          -15
      
          6t = 66
            t = 11
hymancheyann
15+6N=81
6(11)+15=81 
to get 11 u can start by using 4 to multiple by 6 then u go up until u get ur answer
       6(4)+15=39
then u keep going till u get 81

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