Question 38973
{{{log(8,3x^3/yz^5)}}}
{{{log(8,3x^3)-log(8,y)-log(8,z^5)}}}
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{{{log(10^7)=log(10^x)-log(10^2)}}}
{{{7log(10)=xlog(10)-2log(10)}}}
{{{7=x-2}}}
{{{9=x}}}
I have a lesson on logarithms that will help you.