ln-3x=ln(5x+8)

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Solution for ln-3x=ln(5x+8) equation:


Simplifying
ln + -3x = ln(5x + 8)

Reorder the terms:
ln + -3x = ln(8 + 5x)
ln + -3x = (8 * ln + 5x * ln)
ln + -3x = (8ln + 5lnx)

Solving
ln + -3x = 8ln + 5lnx

Solving for variable 'l'.

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

Add '-8ln' to each side of the equation.
ln + -8ln + -3x = 8ln + -8ln + 5lnx

Combine like terms: ln + -8ln = -7ln
-7ln + -3x = 8ln + -8ln + 5lnx

Combine like terms: 8ln + -8ln = 0
-7ln + -3x = 0 + 5lnx
-7ln + -3x = 5lnx

Add '-5lnx' to each side of the equation.
-7ln + -5lnx + -3x = 5lnx + -5lnx

Combine like terms: 5lnx + -5lnx = 0
-7ln + -5lnx + -3x = 0

Add '3x' to each side of the equation.
-7ln + -5lnx + -3x + 3x = 0 + 3x

Combine like terms: -3x + 3x = 0
-7ln + -5lnx + 0 = 0 + 3x
-7ln + -5lnx = 0 + 3x
Remove the zero:
-7ln + -5lnx = 3x

Combine like terms: 3x + -3x = 0
-7ln + -5lnx + -3x = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(7ln + 5lnx + 3x) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(7ln + 5lnx + 3x)' equal to zero and attempt to solve: Simplifying 7ln + 5lnx + 3x = 0 Solving 7ln + 5lnx + 3x = 0 Move all terms containing l to the left, all other terms to the right. Add '-3x' to each side of the equation. 7ln + 5lnx + 3x + -3x = 0 + -3x Combine like terms: 3x + -3x = 0 7ln + 5lnx + 0 = 0 + -3x 7ln + 5lnx = 0 + -3x Remove the zero: 7ln + 5lnx = -3x 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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