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

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


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

Remove parenthesis around (-5x)
ln * -5x = ln(5) + ln(-1x)

Reorder the terms for easier multiplication:
-5ln * x = ln(5) + ln(-1x)

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

Reorder the terms for easier multiplication:
-5lnx = 5ln + ln(-1x)

Remove parenthesis around (-1x)
-5lnx = 5ln + ln * -1x

Reorder the terms for easier multiplication:
-5lnx = 5ln + -1ln * x

Multiply ln * x
-5lnx = 5ln + -1lnx

Solving
-5lnx = 5ln + -1lnx

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.
-5ln + -5lnx = 5ln + -5ln + -1lnx

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

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

Combine like terms: -5lnx + lnx = -4lnx
-5ln + -4lnx = -1lnx + lnx

Combine like terms: -1lnx + lnx = 0
-5ln + -4lnx = 0

Factor out the Greatest Common Factor (GCF), '-1ln'.
-1ln(5 + 4x) = 0

Ignore the factor -1.

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 '(5 + 4x)' equal to zero and attempt to solve: Simplifying 5 + 4x = 0 Solving 5 + 4x = 0 Move all terms containing l to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 4x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 4x = 0 + -5 4x = 0 + -5 Combine like terms: 0 + -5 = -5 4x = -5 Add '-4x' to each side of the equation. 4x + -4x = -5 + -4x Combine like terms: 4x + -4x = 0 0 = -5 + -4x Simplifying 0 = -5 + -4x 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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