Log3(x-1) = 2log3 2- log3 15

[latex]log_3(x-1)=log_3 \frac{4}{15} ; x-1= \frac{4}{15};x= \frac{19}{15} [/latex]

[latex]log_3(x-1)=2log_32-log_315=log_34-log_315=log_3\frac{4}{15}\\x-1=\frac{4}{15}\\x=1\frac{4}{15}[/latex]