3ln(7x)=18

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Solution for 3ln(7x)=18 equation: 


Simplifying
3ln(7x) = 18

Remove parenthesis around (7x)
3ln * 7x = 18

Reorder the terms for easier multiplication:
3 * 7ln * x = 18

Multiply 3 * 7
21ln * x = 18

Multiply ln * x
21lnx = 18

Solving
21lnx = 18

Solving for variable 'l'.

Move all terms containing l to the left, all other terms to the right.

Divide each side by '21nx'.
l = 0.8571428571n-1x-1

Simplifying
l = 0.8571428571n-1x-1

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