ln(5x+10)=ln(2x-5)

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Solution for ln(5x+10)=ln(2x-5) equation:


Simplifying
ln(5x + 10) = ln(2x + -5)

Reorder the terms:
ln(10 + 5x) = ln(2x + -5)
(10 * ln + 5x * ln) = ln(2x + -5)
(10ln + 5lnx) = ln(2x + -5)

Reorder the terms:
10ln + 5lnx = ln(-5 + 2x)
10ln + 5lnx = (-5 * ln + 2x * ln)
10ln + 5lnx = (-5ln + 2lnx)

Solving
10ln + 5lnx = -5ln + 2lnx

Solving for variable 'l'.

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

Add '5ln' to each side of the equation.
10ln + 5ln + 5lnx = -5ln + 5ln + 2lnx

Combine like terms: 10ln + 5ln = 15ln
15ln + 5lnx = -5ln + 5ln + 2lnx

Combine like terms: -5ln + 5ln = 0
15ln + 5lnx = 0 + 2lnx
15ln + 5lnx = 2lnx

Add '-2lnx' to each side of the equation.
15ln + 5lnx + -2lnx = 2lnx + -2lnx

Combine like terms: 5lnx + -2lnx = 3lnx
15ln + 3lnx = 2lnx + -2lnx

Combine like terms: 2lnx + -2lnx = 0
15ln + 3lnx = 0

Factor out the Greatest Common Factor (GCF), '3ln'.
3ln(5 + x) = 0

Ignore the factor 3.

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 '(5 + x)' equal to zero and attempt to solve: Simplifying 5 + x = 0 Solving 5 + x = 0 Move all terms containing l to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + x = 0 + -5 x = 0 + -5 Combine like terms: 0 + -5 = -5 x = -5 Add '-1x' to each side of the equation. x + -1x = -5 + -1x Combine like terms: x + -1x = 0 0 = -5 + -1x Simplifying 0 = -5 + -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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