Log[5](4x-7)=log[5](x+5)

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Solution for Log[5](4x-7)=log[5](x+5) equation:


Simplifying
Log[5](4x + -7) = log[5](x + 5)

Reorder the terms:
goL * 5(-7 + 4x) = log[5](x + 5)

Reorder the terms for easier multiplication:
5goL(-7 + 4x) = log[5](x + 5)
(-7 * 5goL + 4x * 5goL) = log[5](x + 5)
(-35goL + 20goxL) = log[5](x + 5)

Reorder the terms:
-35goL + 20goxL = glo * 5(5 + x)

Reorder the terms for easier multiplication:
-35goL + 20goxL = 5glo(5 + x)
-35goL + 20goxL = (5 * 5glo + x * 5glo)
-35goL + 20goxL = (25glo + 5glox)

Solving
-35goL + 20goxL = 25glo + 5glox

Solving for variable 'g'.

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

Add '-25glo' to each side of the equation.
-35goL + -25glo + 20goxL = 25glo + -25glo + 5glox

Reorder the terms:
-25glo + -35goL + 20goxL = 25glo + -25glo + 5glox

Combine like terms: 25glo + -25glo = 0
-25glo + -35goL + 20goxL = 0 + 5glox
-25glo + -35goL + 20goxL = 5glox

Add '-5glox' to each side of the equation.
-25glo + -35goL + -5glox + 20goxL = 5glox + -5glox

Reorder the terms:
-25glo + -5glox + -35goL + 20goxL = 5glox + -5glox

Combine like terms: 5glox + -5glox = 0
-25glo + -5glox + -35goL + 20goxL = 0

Factor out the Greatest Common Factor (GCF), '5go'.
5go(-5l + -1lx + -7L + 4xL) = 0

Ignore the factor 5.

Subproblem 1

Set the factor 'go' equal to zero and attempt to solve: Simplifying go = 0 Solving go = 0 Move all terms containing g to the left, all other terms to the right. Simplifying go = 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 '(-5l + -1lx + -7L + 4xL)' equal to zero and attempt to solve: Simplifying -5l + -1lx + -7L + 4xL = 0 Reorder the terms: -7L + -5l + -1lx + 4xL = 0 Solving -7L + -5l + -1lx + 4xL = 0 Move all terms containing g to the left, all other terms to the right. Add '7L' to each side of the equation. -7L + -5l + -1lx + 7L + 4xL = 0 + 7L Reorder the terms: -7L + 7L + -5l + -1lx + 4xL = 0 + 7L Combine like terms: -7L + 7L = 0 0 + -5l + -1lx + 4xL = 0 + 7L -5l + -1lx + 4xL = 0 + 7L Remove the zero: -5l + -1lx + 4xL = 7L Add '5l' to each side of the equation. -5l + -1lx + 5l + 4xL = 7L + 5l Reorder the terms: -5l + 5l + -1lx + 4xL = 7L + 5l Combine like terms: -5l + 5l = 0 0 + -1lx + 4xL = 7L + 5l -1lx + 4xL = 7L + 5l Add 'lx' to each side of the equation. -1lx + lx + 4xL = 7L + 5l + lx Combine like terms: -1lx + lx = 0 0 + 4xL = 7L + 5l + lx 4xL = 7L + 5l + lx Add '-4xL' to each side of the equation. 4xL + -4xL = 7L + 5l + lx + -4xL Combine like terms: 4xL + -4xL = 0 0 = 7L + 5l + lx + -4xL Simplifying 0 = 7L + 5l + lx + -4xL 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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