ln(x-6)-ln(x-1)=ln(x-15)

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Solution for ln(x-6)-ln(x-1)=ln(x-15) equation:


Simplifying
ln(x + -6) + -1ln(x + -1) = ln(x + -15)

Reorder the terms:
ln(-6 + x) + -1ln(x + -1) = ln(x + -15)
(-6 * ln + x * ln) + -1ln(x + -1) = ln(x + -15)
(-6ln + lnx) + -1ln(x + -1) = ln(x + -15)

Reorder the terms:
-6ln + lnx + -1ln(-1 + x) = ln(x + -15)
-6ln + lnx + (-1 * -1ln + x * -1ln) = ln(x + -15)
-6ln + lnx + (1ln + -1lnx) = ln(x + -15)

Reorder the terms:
-6ln + 1ln + lnx + -1lnx = ln(x + -15)

Combine like terms: -6ln + 1ln = -5ln
-5ln + lnx + -1lnx = ln(x + -15)

Combine like terms: lnx + -1lnx = 0
-5ln + 0 = ln(x + -15)
-5ln = ln(x + -15)

Reorder the terms:
-5ln = ln(-15 + x)
-5ln = (-15 * ln + x * ln)
-5ln = (-15ln + lnx)

Solving
-5ln = -15ln + lnx

Solving for variable 'l'.

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

Add '15ln' to each side of the equation.
-5ln + 15ln = -15ln + 15ln + lnx

Combine like terms: -5ln + 15ln = 10ln
10ln = -15ln + 15ln + lnx

Combine like terms: -15ln + 15ln = 0
10ln = 0 + lnx
10ln = lnx

Add '-1lnx' to each side of the equation.
10ln + -1lnx = lnx + -1lnx

Combine like terms: lnx + -1lnx = 0
10ln + -1lnx = 0

Factor out the Greatest Common Factor (GCF), 'ln'.
ln(10 + -1x) = 0

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 '(10 + -1x)' equal to zero and attempt to solve: Simplifying 10 + -1x = 0 Solving 10 + -1x = 0 Move all terms containing l to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1x = 0 + -10 -1x = 0 + -10 Combine like terms: 0 + -10 = -10 -1x = -10 Add 'x' to each side of the equation. -1x + x = -10 + x Combine like terms: -1x + x = 0 0 = -10 + x Simplifying 0 = -10 + x 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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