ln(8x+5)=ln(5x-1)

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Solution for ln(8x+5)=ln(5x-1) equation:


Simplifying
ln(8x + 5) = ln(5x + -1)

Reorder the terms:
ln(5 + 8x) = ln(5x + -1)
(5 * ln + 8x * ln) = ln(5x + -1)
(5ln + 8lnx) = ln(5x + -1)

Reorder the terms:
5ln + 8lnx = ln(-1 + 5x)
5ln + 8lnx = (-1 * ln + 5x * ln)
5ln + 8lnx = (-1ln + 5lnx)

Solving
5ln + 8lnx = -1ln + 5lnx

Solving for variable 'l'.

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

Add 'ln' to each side of the equation.
5ln + ln + 8lnx = -1ln + ln + 5lnx

Combine like terms: 5ln + ln = 6ln
6ln + 8lnx = -1ln + ln + 5lnx

Combine like terms: -1ln + ln = 0
6ln + 8lnx = 0 + 5lnx
6ln + 8lnx = 5lnx

Add '-5lnx' to each side of the equation.
6ln + 8lnx + -5lnx = 5lnx + -5lnx

Combine like terms: 8lnx + -5lnx = 3lnx
6ln + 3lnx = 5lnx + -5lnx

Combine like terms: 5lnx + -5lnx = 0
6ln + 3lnx = 0

Factor out the Greatest Common Factor (GCF), '3ln'.
3ln(2 + x) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'ln' equal to zero and attempt to solve: Simplifying ln = 0 Solving ln = 0 Move all terms containing l to the left, all other terms to the right. Simplifying ln = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 0 Move all terms containing l to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Add '-1x' to each side of the equation. x + -1x = -2 + -1x Combine like terms: x + -1x = 0 0 = -2 + -1x Simplifying 0 = -2 + -1x The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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