ln(7x-4)=ln(2x+11)

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Solution for ln(7x-4)=ln(2x+11) equation:


Simplifying
ln(7x + -4) = ln(2x + 11)

Reorder the terms:
ln(-4 + 7x) = ln(2x + 11)
(-4 * ln + 7x * ln) = ln(2x + 11)
(-4ln + 7lnx) = ln(2x + 11)

Reorder the terms:
-4ln + 7lnx = ln(11 + 2x)
-4ln + 7lnx = (11 * ln + 2x * ln)
-4ln + 7lnx = (11ln + 2lnx)

Solving
-4ln + 7lnx = 11ln + 2lnx

Solving for variable 'l'.

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

Add '-11ln' to each side of the equation.
-4ln + -11ln + 7lnx = 11ln + -11ln + 2lnx

Combine like terms: -4ln + -11ln = -15ln
-15ln + 7lnx = 11ln + -11ln + 2lnx

Combine like terms: 11ln + -11ln = 0
-15ln + 7lnx = 0 + 2lnx
-15ln + 7lnx = 2lnx

Add '-2lnx' to each side of the equation.
-15ln + 7lnx + -2lnx = 2lnx + -2lnx

Combine like terms: 7lnx + -2lnx = 5lnx
-15ln + 5lnx = 2lnx + -2lnx

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

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

Ignore the factor 5.

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 '(-3 + x)' equal to zero and attempt to solve: Simplifying -3 + x = 0 Solving -3 + x = 0 Move all terms containing l to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + x = 0 + 3 x = 0 + 3 Combine like terms: 0 + 3 = 3 x = 3 Add '-1x' to each side of the equation. x + -1x = 3 + -1x Combine like terms: x + -1x = 0 0 = 3 + -1x Simplifying 0 = 3 + -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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