solusi persamaan 3 log (x+2) - 3 3log 2 +1 =

³log (x + 2) - 3 ³log 2 + 1 = 0
³log (x+2) - ³log 2³ = -1
³log (x+2) - ³log 8 = ³log ⅓
³log (x+2)/8 = ³log ⅓
(x+2)/8 = ⅓
3(x+2) = 8
3x + 6 = 8
3x = 8 - 6
x = 2/3