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(3^2) pangkat x +1 = (3^3) pangkat 3x-4
3 pangkat 2(x+1) = 3 pangkat 3(3x-4)
2(x+1) = 3(3x-4)
2x+2 = 9x-12
2+12 = 9x-2x
14 = 7x
x= 2
3 pngkat 2(x+1) = 3 pngkat 3 (3x-4)
(coret angka 3 nya), jadi
2x +2 = 9x -12
14 = 7x
x= 2
jadi 9³ = 27⁶⁻⁴