lnx+ln(x-1)=ln(4x-7)

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Solution for lnx+ln(x-1)=ln(4x-7) equation:


Simplifying
lnx + ln(x + -1) = ln(4x + -7)

Reorder the terms:
lnx + ln(-1 + x) = ln(4x + -7)
lnx + (-1 * ln + x * ln) = ln(4x + -7)
lnx + (-1ln + lnx) = ln(4x + -7)

Reorder the terms:
-1ln + lnx + lnx = ln(4x + -7)

Combine like terms: lnx + lnx = 2lnx
-1ln + 2lnx = ln(4x + -7)

Reorder the terms:
-1ln + 2lnx = ln(-7 + 4x)
-1ln + 2lnx = (-7 * ln + 4x * ln)
-1ln + 2lnx = (-7ln + 4lnx)

Solving
-1ln + 2lnx = -7ln + 4lnx

Solving for variable 'l'.

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

Add '7ln' to each side of the equation.
-1ln + 7ln + 2lnx = -7ln + 7ln + 4lnx

Combine like terms: -1ln + 7ln = 6ln
6ln + 2lnx = -7ln + 7ln + 4lnx

Combine like terms: -7ln + 7ln = 0
6ln + 2lnx = 0 + 4lnx
6ln + 2lnx = 4lnx

Add '-4lnx' to each side of the equation.
6ln + 2lnx + -4lnx = 4lnx + -4lnx

Combine like terms: 2lnx + -4lnx = -2lnx
6ln + -2lnx = 4lnx + -4lnx

Combine like terms: 4lnx + -4lnx = 0
6ln + -2lnx = 0

Factor out the Greatest Common Factor (GCF), '2ln'.
2ln(3 + -1x) = 0

Ignore the factor 2.

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 '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing l to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Add 'x' to each side of the equation. -1x + x = -3 + x Combine like terms: -1x + x = 0 0 = -3 + x Simplifying 0 = -3 + 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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