ln(x)-ln(x-7)=ln(5)

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Solution for ln(x)-ln(x-7)=ln(5) equation:


Simplifying
ln(x) + -1ln(x + -7) = ln(5)

Multiply ln * x
lnx + -1ln(x + -7) = ln(5)

Reorder the terms:
lnx + -1ln(-7 + x) = ln(5)
lnx + (-7 * -1ln + x * -1ln) = ln(5)
lnx + (7ln + -1lnx) = ln(5)

Reorder the terms:
7ln + lnx + -1lnx = ln(5)

Combine like terms: lnx + -1lnx = 0
7ln + 0 = ln(5)
7ln = ln(5)

Reorder the terms for easier multiplication:
7ln = 5ln

Solving
7ln = 5ln

Solving for variable 'l'.

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

Add '-5ln' to each side of the equation.
7ln + -5ln = 5ln + -5ln

Combine like terms: 7ln + -5ln = 2ln
2ln = 5ln + -5ln

Combine like terms: 5ln + -5ln = 0
2ln = 0

Divide each side by '2'.
ln = 0

Simplifying
ln = 0

The solution to this equation could not be determined.

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