Question

log(a)(x-7)-log(a)(x-2)=log(a)(x-4)-log(a)(x+12)
solve a's are subscripts

Answer 1

\[\log_b(n)+\log_b(m)=\log_b(nm)\]

\[\log_b(n)-\log_b(m)=\log_b(\tfrac nm)\]

Answer 2

log a - log b = log (a/b)
If log x = log y then x = y