7ln(x+9)-9lnx=0

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Solution for 7ln(x+9)-9lnx=0 equation: 


Simplifying
7ln(x + 9) + -9lnx = 0

Reorder the terms:
7ln(9 + x) + -9lnx = 0
(9 * 7ln + x * 7ln) + -9lnx = 0
(63ln + 7lnx) + -9lnx = 0

Combine like terms: 7lnx + -9lnx = -2lnx
63ln + -2lnx = 0

Solving
63ln + -2lnx = 0

Solving for variable 'l'.

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

Factor out the Greatest Common Factor (GCF), 'ln'.
ln(63 + -2x) = 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 '(63 + -2x)' equal to zero and attempt to solve:

Simplifying
63 + -2x = 0

Solving
63 + -2x = 0

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

Add '-63' to each side of the equation.
63 + -63 + -2x = 0 + -63

Combine like terms: 63 + -63 = 0
0 + -2x = 0 + -63
-2x = 0 + -63

Combine like terms: 0 + -63 = -63
-2x = -63

Add '2x' to each side of the equation.
-2x + 2x = -63 + 2x

Combine like terms: -2x + 2x = 0
0 = -63 + 2x

Simplifying
0 = -63 + 2x

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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