ln(2x-4)=ln(x+11)

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Solution for ln(2x-4)=ln(x+11) equation: 


Simplifying
ln(2x + -4) = ln(x + 11)

Reorder the terms:
ln(-4 + 2x) = ln(x + 11)
(-4 * ln + 2x * ln) = ln(x + 11)
(-4ln + 2lnx) = ln(x + 11)

Reorder the terms:
-4ln + 2lnx = ln(11 + x)
-4ln + 2lnx = (11 * ln + x * ln)
-4ln + 2lnx = (11ln + lnx)

Solving
-4ln + 2lnx = 11ln + lnx

Solving for variable 'l'.

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

Add '-11ln' to each side of the equation.
-4ln + -11ln + 2lnx = 11ln + -11ln + lnx

Combine like terms: -4ln + -11ln = -15ln
-15ln + 2lnx = 11ln + -11ln + lnx

Combine like terms: 11ln + -11ln = 0
-15ln + 2lnx = 0 + lnx
-15ln + 2lnx = lnx

Add '-1lnx' to each side of the equation.
-15ln + 2lnx + -1lnx = lnx + -1lnx

Combine like terms: 2lnx + -1lnx = 1lnx
-15ln + 1lnx = lnx + -1lnx

Combine like terms: lnx + -1lnx = 0
-15ln + 1lnx = 0

Factor out the Greatest Common Factor (GCF), 'ln'.
ln(-15 + x) = 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 '(-15 + x)' equal to zero and attempt to solve:

Simplifying
-15 + x = 0

Solving
-15 + x = 0

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

Add '15' to each side of the equation.
-15 + 15 + x = 0 + 15

Combine like terms: -15 + 15 = 0
0 + x = 0 + 15
x = 0 + 15

Combine like terms: 0 + 15 = 15
x = 15

Add '-1x' to each side of the equation.
x + -1x = 15 + -1x

Combine like terms: x + -1x = 0
0 = 15 + -1x

Simplifying
0 = 15 + -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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