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

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


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

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

Remove parenthesis around (8x)
-1ln + lnx = ln * 8x

Reorder the terms for easier multiplication:
-1ln + lnx = 8ln * x

Multiply ln * x
-1ln + lnx = 8lnx

Solving
-1ln + lnx = 8lnx

Solving for variable 'l'.

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

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

Combine like terms: lnx + -8lnx = -7lnx
-1ln + -7lnx = 8lnx + -8lnx

Combine like terms: 8lnx + -8lnx = 0
-1ln + -7lnx = 0

Factor out the Greatest Common Factor (GCF), '-1ln'.
-1ln(1 + 7x) = 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 '(1 + 7x)' equal to zero and attempt to solve: Simplifying 1 + 7x = 0 Solving 1 + 7x = 0 Move all terms containing l to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 7x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 7x = 0 + -1 7x = 0 + -1 Combine like terms: 0 + -1 = -1 7x = -1 Add '-7x' to each side of the equation. 7x + -7x = -1 + -7x Combine like terms: 7x + -7x = 0 0 = -1 + -7x Simplifying 0 = -1 + -7x 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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