Question 861250
-10 + log11 -x = -8  (neg 10 + log base 11 - x = neg 8)


Best guess is you mean {{{-10+log(11,(-x))=-8}}}.


{{{log(11,(-x))=10-8}}}
{{{log(11,(-x))=2}}}
{{{11^2=-x}}}
{{{x=-121}}}