ln(20)=ln(x+1)-ln(13)

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Solution for ln(20)=ln(x+1)-ln(13) equation:


Simplifying
ln(20) = ln(x + 1) + -1ln(13)

Reorder the terms for easier multiplication:
20ln = ln(x + 1) + -1ln(13)

Reorder the terms:
20ln = ln(1 + x) + -1ln(13)
20ln = (1 * ln + x * ln) + -1ln(13)
20ln = (1ln + lnx) + -1ln(13)

Reorder the terms for easier multiplication:
20ln = 1ln + lnx + -1 * 13ln

Multiply -1 * 13
20ln = 1ln + lnx + -13ln

Reorder the terms:
20ln = 1ln + -13ln + lnx

Combine like terms: 1ln + -13ln = -12ln
20ln = -12ln + lnx

Solving
20ln = -12ln + lnx

Solving for variable 'l'.

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

Add '12ln' to each side of the equation.
20ln + 12ln = -12ln + 12ln + lnx

Combine like terms: 20ln + 12ln = 32ln
32ln = -12ln + 12ln + lnx

Combine like terms: -12ln + 12ln = 0
32ln = 0 + lnx
32ln = lnx

Add '-1lnx' to each side of the equation.
32ln + -1lnx = lnx + -1lnx

Combine like terms: lnx + -1lnx = 0
32ln + -1lnx = 0

Factor out the Greatest Common Factor (GCF), 'ln'.
ln(32 + -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 '(32 + -1x)' equal to zero and attempt to solve: Simplifying 32 + -1x = 0 Solving 32 + -1x = 0 Move all terms containing l to the left, all other terms to the right. Add '-32' to each side of the equation. 32 + -32 + -1x = 0 + -32 Combine like terms: 32 + -32 = 0 0 + -1x = 0 + -32 -1x = 0 + -32 Combine like terms: 0 + -32 = -32 -1x = -32 Add 'x' to each side of the equation. -1x + x = -32 + x Combine like terms: -1x + x = 0 0 = -32 + x Simplifying 0 = -32 + 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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