log(4x+7)=log(2x+5)

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Solution for log(4x+7)=log(2x+5) equation:


Simplifying
log(4x + 7) = log(2x + 5)

Reorder the terms:
glo(7 + 4x) = log(2x + 5)
(7 * glo + 4x * glo) = log(2x + 5)
(7glo + 4glox) = log(2x + 5)

Reorder the terms:
7glo + 4glox = glo(5 + 2x)
7glo + 4glox = (5 * glo + 2x * glo)
7glo + 4glox = (5glo + 2glox)

Solving
7glo + 4glox = 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.
7glo + -5glo + 4glox = 5glo + -5glo + 2glox

Combine like terms: 7glo + -5glo = 2glo
2glo + 4glox = 5glo + -5glo + 2glox

Combine like terms: 5glo + -5glo = 0
2glo + 4glox = 0 + 2glox
2glo + 4glox = 2glox

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

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

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

Factor out the Greatest Common Factor (GCF), '2glo'.
2glo(1 + x) = 0

Ignore the factor 2.

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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