Ln(-4y+2)-ln(y+7)=ln(-9y-12)

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Solution for Ln(-4y+2)-ln(y+7)=ln(-9y-12) equation:


Simplifying
Ln(-4y + 2) + -1ln(y + 7) = ln(-9y + -12)

Reorder the terms:
nL(2 + -4y) + -1ln(y + 7) = ln(-9y + -12)
(2 * nL + -4y * nL) + -1ln(y + 7) = ln(-9y + -12)
(2nL + -4nyL) + -1ln(y + 7) = ln(-9y + -12)

Reorder the terms:
2nL + -4nyL + -1ln(7 + y) = ln(-9y + -12)
2nL + -4nyL + (7 * -1ln + y * -1ln) = ln(-9y + -12)
2nL + -4nyL + (-7ln + -1lny) = ln(-9y + -12)

Reorder the terms:
-7ln + -1lny + 2nL + -4nyL = ln(-9y + -12)

Reorder the terms:
-7ln + -1lny + 2nL + -4nyL = ln(-12 + -9y)
-7ln + -1lny + 2nL + -4nyL = (-12 * ln + -9y * ln)
-7ln + -1lny + 2nL + -4nyL = (-12ln + -9lny)

Solving
-7ln + -1lny + 2nL + -4nyL = -12ln + -9lny

Solving for variable 'l'.

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

Add '12ln' to each side of the equation.
-7ln + -1lny + 2nL + 12ln + -4nyL = -12ln + 12ln + -9lny

Reorder the terms:
-7ln + 12ln + -1lny + 2nL + -4nyL = -12ln + 12ln + -9lny

Combine like terms: -7ln + 12ln = 5ln
5ln + -1lny + 2nL + -4nyL = -12ln + 12ln + -9lny

Combine like terms: -12ln + 12ln = 0
5ln + -1lny + 2nL + -4nyL = 0 + -9lny
5ln + -1lny + 2nL + -4nyL = -9lny

Add '9lny' to each side of the equation.
5ln + -1lny + 2nL + 9lny + -4nyL = -9lny + 9lny

Reorder the terms:
5ln + -1lny + 9lny + 2nL + -4nyL = -9lny + 9lny

Combine like terms: -1lny + 9lny = 8lny
5ln + 8lny + 2nL + -4nyL = -9lny + 9lny

Combine like terms: -9lny + 9lny = 0
5ln + 8lny + 2nL + -4nyL = 0

Add '-2nL' to each side of the equation.
5ln + 8lny + 2nL + -2nL + -4nyL = 0 + -2nL

Combine like terms: 2nL + -2nL = 0
5ln + 8lny + 0 + -4nyL = 0 + -2nL
5ln + 8lny + -4nyL = 0 + -2nL
Remove the zero:
5ln + 8lny + -4nyL = -2nL

Add '4nyL' to each side of the equation.
5ln + 8lny + -4nyL + 4nyL = -2nL + 4nyL

Combine like terms: -4nyL + 4nyL = 0
5ln + 8lny + 0 = -2nL + 4nyL
5ln + 8lny = -2nL + 4nyL

Reorder the terms:
5ln + 8lny + 2nL + -4nyL = -2nL + 2nL + 4nyL + -4nyL

Combine like terms: -2nL + 2nL = 0
5ln + 8lny + 2nL + -4nyL = 0 + 4nyL + -4nyL
5ln + 8lny + 2nL + -4nyL = 4nyL + -4nyL

Combine like terms: 4nyL + -4nyL = 0
5ln + 8lny + 2nL + -4nyL = 0

Factor out the Greatest Common Factor (GCF), 'n'.
n(5l + 8ly + 2L + -4yL) = 0

Subproblem 1

Set the factor 'n' equal to zero and attempt to solve: Simplifying n = 0 Solving n = 0 Move all terms containing l to the left, all other terms to the right. Add '-1n' to each side of the equation. n + -1n = 0 + -1n Remove the zero: 0 = -1n Simplifying 0 = -1n 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 '(5l + 8ly + 2L + -4yL)' equal to zero and attempt to solve: Simplifying 5l + 8ly + 2L + -4yL = 0 Reorder the terms: 2L + 5l + 8ly + -4yL = 0 Solving 2L + 5l + 8ly + -4yL = 0 Move all terms containing l to the left, all other terms to the right. Add '-2L' to each side of the equation. 2L + 5l + 8ly + -2L + -4yL = 0 + -2L Reorder the terms: 2L + -2L + 5l + 8ly + -4yL = 0 + -2L Combine like terms: 2L + -2L = 0 0 + 5l + 8ly + -4yL = 0 + -2L 5l + 8ly + -4yL = 0 + -2L Remove the zero: 5l + 8ly + -4yL = -2L Add '4yL' to each side of the equation. 5l + 8ly + -4yL + 4yL = -2L + 4yL Combine like terms: -4yL + 4yL = 0 5l + 8ly + 0 = -2L + 4yL 5l + 8ly = -2L + 4yL 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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