lnx+ln(x-5)=ln(7x)

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Solution for lnx+ln(x-5)=ln(7x) equation:


Simplifying
lnx + ln(x + -5) = ln(7x)

Reorder the terms:
lnx + ln(-5 + x) = ln(7x)
lnx + (-5 * ln + x * ln) = ln(7x)
lnx + (-5ln + lnx) = ln(7x)

Reorder the terms:
-5ln + lnx + lnx = ln(7x)

Combine like terms: lnx + lnx = 2lnx
-5ln + 2lnx = ln(7x)

Remove parenthesis around (7x)
-5ln + 2lnx = ln * 7x

Reorder the terms for easier multiplication:
-5ln + 2lnx = 7ln * x

Multiply ln * x
-5ln + 2lnx = 7lnx

Solving
-5ln + 2lnx = 7lnx

Solving for variable 'l'.

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

Add '-7lnx' to each side of the equation.
-5ln + 2lnx + -7lnx = 7lnx + -7lnx

Combine like terms: 2lnx + -7lnx = -5lnx
-5ln + -5lnx = 7lnx + -7lnx

Combine like terms: 7lnx + -7lnx = 0
-5ln + -5lnx = 0

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

Ignore the factor -5.

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 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 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 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Add '-1x' to each side of the equation. x + -1x = -1 + -1x Combine like terms: x + -1x = 0 0 = -1 + -1x Simplifying 0 = -1 + -1x 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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