Ln(x-9)-ln(x+7)=ln(x-2)-ln(x+4)

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


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

Reorder the terms:
nL(-9 + x) + -1ln(x + 7) = ln(x + -2) + -1ln(x + 4)
(-9 * nL + x * nL) + -1ln(x + 7) = ln(x + -2) + -1ln(x + 4)
(-9nL + nxL) + -1ln(x + 7) = ln(x + -2) + -1ln(x + 4)

Reorder the terms:
-9nL + nxL + -1ln(7 + x) = ln(x + -2) + -1ln(x + 4)
-9nL + nxL + (7 * -1ln + x * -1ln) = ln(x + -2) + -1ln(x + 4)
-9nL + nxL + (-7ln + -1lnx) = ln(x + -2) + -1ln(x + 4)

Reorder the terms:
-7ln + -1lnx + -9nL + nxL = ln(x + -2) + -1ln(x + 4)

Reorder the terms:
-7ln + -1lnx + -9nL + nxL = ln(-2 + x) + -1ln(x + 4)
-7ln + -1lnx + -9nL + nxL = (-2 * ln + x * ln) + -1ln(x + 4)
-7ln + -1lnx + -9nL + nxL = (-2ln + lnx) + -1ln(x + 4)

Reorder the terms:
-7ln + -1lnx + -9nL + nxL = -2ln + lnx + -1ln(4 + x)
-7ln + -1lnx + -9nL + nxL = -2ln + lnx + (4 * -1ln + x * -1ln)
-7ln + -1lnx + -9nL + nxL = -2ln + lnx + (-4ln + -1lnx)

Reorder the terms:
-7ln + -1lnx + -9nL + nxL = -2ln + -4ln + lnx + -1lnx

Combine like terms: -2ln + -4ln = -6ln
-7ln + -1lnx + -9nL + nxL = -6ln + lnx + -1lnx

Combine like terms: lnx + -1lnx = 0
-7ln + -1lnx + -9nL + nxL = -6ln + 0
-7ln + -1lnx + -9nL + nxL = -6ln

Solving
-7ln + -1lnx + -9nL + nxL = -6ln

Solving for variable 'l'.

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

Add '6ln' to each side of the equation.
-7ln + -1lnx + -9nL + 6ln + nxL = -6ln + 6ln

Reorder the terms:
-7ln + 6ln + -1lnx + -9nL + nxL = -6ln + 6ln

Combine like terms: -7ln + 6ln = -1ln
-1ln + -1lnx + -9nL + nxL = -6ln + 6ln

Combine like terms: -6ln + 6ln = 0
-1ln + -1lnx + -9nL + nxL = 0

Add '9nL' to each side of the equation.
-1ln + -1lnx + -9nL + 9nL + nxL = 0 + 9nL

Combine like terms: -9nL + 9nL = 0
-1ln + -1lnx + 0 + nxL = 0 + 9nL
-1ln + -1lnx + nxL = 0 + 9nL
Remove the zero:
-1ln + -1lnx + nxL = 9nL

Add '-1nxL' to each side of the equation.
-1ln + -1lnx + nxL + -1nxL = 9nL + -1nxL

Combine like terms: nxL + -1nxL = 0
-1ln + -1lnx + 0 = 9nL + -1nxL
-1ln + -1lnx = 9nL + -1nxL

Reorder the terms:
-1ln + -1lnx + -9nL + nxL = 9nL + -9nL + -1nxL + nxL

Combine like terms: 9nL + -9nL = 0
-1ln + -1lnx + -9nL + nxL = 0 + -1nxL + nxL
-1ln + -1lnx + -9nL + nxL = -1nxL + nxL

Combine like terms: -1nxL + nxL = 0
-1ln + -1lnx + -9nL + nxL = 0

Factor out the Greatest Common Factor (GCF), 'n'.
n(-1l + -1lx + -9L + xL) = 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 '(-1l + -1lx + -9L + xL)' equal to zero and attempt to solve: Simplifying -1l + -1lx + -9L + xL = 0 Reorder the terms: -9L + -1l + -1lx + xL = 0 Solving -9L + -1l + -1lx + xL = 0 Move all terms containing l to the left, all other terms to the right. Add '9L' to each side of the equation. -9L + -1l + -1lx + 9L + xL = 0 + 9L Reorder the terms: -9L + 9L + -1l + -1lx + xL = 0 + 9L Combine like terms: -9L + 9L = 0 0 + -1l + -1lx + xL = 0 + 9L -1l + -1lx + xL = 0 + 9L Remove the zero: -1l + -1lx + xL = 9L Add '-1xL' to each side of the equation. -1l + -1lx + xL + -1xL = 9L + -1xL Combine like terms: xL + -1xL = 0 -1l + -1lx + 0 = 9L + -1xL -1l + -1lx = 9L + -1xL 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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