Question 864901
2*logBase5 (x+11) = logBase5 (25)+2
{{{2*log(5,(x+11))=log(5,(25))+2}}}
{{{2*log(5,(x+11))-log(5,25)=2}}}
{{{log(5,(x+11)^2)-log(5,5^2)=2}}}
{{{log(5,(x+11)^2)-2=2}}}
{{{log(5,(x+11)^2)=4}}}
backtracking a bit,
{{{2*log(5,(x+11))=4}}
{{{log(5,x+11)=2}}}
{{{5^2=x+11}}}
{{{x=25-11}}}
{{{highlight(x=14)}}}