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log(2x-5)/(x+13) = log10
shg,
(2x - 5)/(x+13) = 10
kali silang, get
2x - 5 = 10x + 130
2x - 10x = 130 + 5
-8x = 135
x = -135/8
hmmm, kyknya soalnya ada yg kurang kalo ingin akar-akarnya ada x1 dan x2, sementara saya hnya dapetin solusi yg tunggal.