SOLUTION: If ln( 5 x + 3 )= 5 , then x =

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Question 977566: If ln( 5 x + 3 )= 5 , then x =
Found 2 solutions by AnlytcPhil, Cromlix:
Answer by AnlytcPhil(1810)   (Show Source): You can put this solution on YOUR website!


Use the fact that equal powers of the same base are equal,
using base e:



Use the fact that 







x is approximately 29.08263182

Edwin
Answer by Cromlix(4381)   (Show Source): You can put this solution on YOUR website!
Hi there,
ln(5x + 3) = 5
5x + 3 = e^5
5x + 3 = 148.4
5x = 148.4 - 3
5x = 145.4
x = 29.1 (1 decimal place)
Hope this helps:-)
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