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27^x/2 +1/2 = 81
3^ 3( x/2 +1/2) = 81
3 ^3x/2 + 3/2 = 3^4
3 nya coret sisa pangkatnya aja
3x/2 + 3/2 = 4
3x/2 = 5/2
6x = 10
x= 5/3
no selanjutnya bisa gak sih jawabnya pake foto? biar lebih enak.. :)