me assume that stuf shood be . . . 16* (2.3^x) = 6.2^x . . . log(16*2.3^x)=log(6.2^x) . . . x*log(2.3) + log(16) =x*log(6.2) . . . or x*log(6.2) -x*log(2.3) = log(16)=1.204119983 (base=10) . . . 0.792391689x -0.361727836x=1.204119983 . . . 0.430663853x=1.204119983 . . . x=1.204119983/0.430663853 . . . x=2.7959625