Question 369987
log(4+x)-log(x-4)=3,
{{{log((4+x)/(x-4)) = 3}}},
{{{10^3 = (4+x)/(x-4)}}},
{{{1000(x-4) = 4+x}}},
1000x - 4000 = 4+x,
999x = 4004,
x = 4004/999.