Question

log x - log ( x + 3 ) = 1

Answer 1

Also, if \[\Large \log_{10} A = B \]then\[\Large A = 10^{B}\]

Answer 2

\[\Large \log(A) - \log(B) = \log(\frac{ A }{ B })\]

Answer 3

log x - log ( x + 3 ) = log( x/(x + 3) ) = 1

So x/(x + 3) = 10^1 = 10

Solve for x.