Question

Me ajuda nesse exercício de revisão prova,

Log ( 8 + log x ) = 1 ?

Answer 1

$log\,\left(~8+log\,x~\right)~=~1\\\\\\\left(~8+log\,x~\right)~=~10^1\\\\\\8+log\,x~=~10\\\\\\log\,x~=~10-8\\\\\\log\,x~=~2\\\\\\x~=~10^2\\\\\\\boxed{x~=~100}$