logx+log(x-20)=log(18x)

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Solution for logx+log(x-20)=log(18x) equation:


Simplifying
logx + log(x + -20) = log(18x)

Reorder the terms:
glox + glo(-20 + x) = log(18x)
glox + (-20 * glo + x * glo) = log(18x)
glox + (-20glo + glox) = log(18x)

Reorder the terms:
-20glo + glox + glox = log(18x)

Combine like terms: glox + glox = 2glox
-20glo + 2glox = log(18x)

Remove parenthesis around (18x)
-20glo + 2glox = glo * 18x

Reorder the terms for easier multiplication:
-20glo + 2glox = 18glo * x

Multiply glo * x
-20glo + 2glox = 18glox

Solving
-20glo + 2glox = 18glox

Solving for variable 'g'.

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

Add '-18glox' to each side of the equation.
-20glo + 2glox + -18glox = 18glox + -18glox

Combine like terms: 2glox + -18glox = -16glox
-20glo + -16glox = 18glox + -18glox

Combine like terms: 18glox + -18glox = 0
-20glo + -16glox = 0

Factor out the Greatest Common Factor (GCF), '-4glo'.
-4glo(5 + 4x) = 0

Ignore the factor -4.

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 '(5 + 4x)' equal to zero and attempt to solve: Simplifying 5 + 4x = 0 Solving 5 + 4x = 0 Move all terms containing g to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 4x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 4x = 0 + -5 4x = 0 + -5 Combine like terms: 0 + -5 = -5 4x = -5 Add '-4x' to each side of the equation. 4x + -4x = -5 + -4x Combine like terms: 4x + -4x = 0 0 = -5 + -4x Simplifying 0 = -5 + -4x 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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