log(x+4)=log(2x+5)

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Solution for log(x+4)=log(2x+5) equation:


Simplifying
log(x + 4) = log(2x + 5)

Reorder the terms:
glo(4 + x) = log(2x + 5)
(4 * glo + x * glo) = log(2x + 5)
(4glo + glox) = log(2x + 5)

Reorder the terms:
4glo + glox = glo(5 + 2x)
4glo + glox = (5 * glo + 2x * glo)
4glo + glox = (5glo + 2glox)

Solving
4glo + glox = 5glo + 2glox

Solving for variable 'g'.

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

Add '-5glo' to each side of the equation.
4glo + -5glo + glox = 5glo + -5glo + 2glox

Combine like terms: 4glo + -5glo = -1glo
-1glo + glox = 5glo + -5glo + 2glox

Combine like terms: 5glo + -5glo = 0
-1glo + glox = 0 + 2glox
-1glo + glox = 2glox

Add '-2glox' to each side of the equation.
-1glo + glox + -2glox = 2glox + -2glox

Combine like terms: glox + -2glox = -1glox
-1glo + -1glox = 2glox + -2glox

Combine like terms: 2glox + -2glox = 0
-1glo + -1glox = 0

Factor out the Greatest Common Factor (GCF), '-1glo'.
-1glo(1 + x) = 0

Ignore the factor -1.

Subproblem 1

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