log(5x+7) - log(x-9) = 1 , condition: x > 9
log [ (5x+7)/(x-9) ] = 1
(5x+7)/(x-9 = 10^1
10x - 90 = 5x + 7
5x =97
x = 97/5 = 19.4
solve the logarithmic equation.
log(5x+7)=1+log(x-9)
3 answers
log (5×+1)=1+log(×-9)
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