Tolong bantuannya sama caranya plissss

Mapel : Matematika
Bab : Eksponen

3^x+1 + 3^x+2 + 3^x+3/39 = 27

3^3x+6/39 = 3^3

3x + 6/39 = 3

3(x + 2)/39 = 3

x + 2/13 = 3

x + 2 = 39

x = 37



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