[tex]\bf 8^{x-9}=19^{3x+2}\implies log(8^{x-9})=log(19^{3x+2})
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(x-9)log(8)=(3x+2)log(19)\impliedby distributing
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xlog(8)-9log(8)=3xlog(19)+2log(19)
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xlog(8)-3xlog(19)=9log(8)+2log(19)\impliedby \textit{common factor}
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x[log(8)-3log(19)]=9log(8)+2log(19)
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x=\cfrac{9log(8)+2log(19)}{log(8)-3log(19)}[/tex]