3 log (2x-1) - 3 log (x-3) = 3 log 7

3 log (2x-1) – 3 log (x-3) = 3 log 7

Jawaban Terkonfirmasi

$$begin{align} ^3log(2x-1)-{^3}log(x-3)&={^3}log7\^3logfrac{2x-1}{x-3}&={^3}log7\frac{2x-1}{x-3}&=7\2x-1&=7(x-3)\2x-1&=7x-21\7x-2x&=-1+21\5x&=20\x&=boxed4 end$

Jawaban Terkonfirmasi

3log(2x-1/x-3)=3log7
2x-1/x-3=7
2x-1=7x-21
20=5x
4=x