log(7x-4)-log(-x+8)=4

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Solution for log(7x-4)-log(-x+8)=4 equation:


Simplifying
log(7x + -4) + -1log(-1x + 8) = 4

Reorder the terms:
glo(-4 + 7x) + -1log(-1x + 8) = 4
(-4 * glo + 7x * glo) + -1log(-1x + 8) = 4
(-4glo + 7glox) + -1log(-1x + 8) = 4

Reorder the terms:
-4glo + 7glox + -1glo(8 + -1x) = 4
-4glo + 7glox + (8 * -1glo + -1x * -1glo) = 4
-4glo + 7glox + (-8glo + 1glox) = 4

Reorder the terms:
-4glo + -8glo + 7glox + 1glox = 4

Combine like terms: -4glo + -8glo = -12glo
-12glo + 7glox + 1glox = 4

Combine like terms: 7glox + 1glox = 8glox
-12glo + 8glox = 4

Solving
-12glo + 8glox = 4

Solving for variable 'g'.

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

Reorder the terms:
-4 + -12glo + 8glox = 4 + -4

Combine like terms: 4 + -4 = 0
-4 + -12glo + 8glox = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(-1 + -3glo + 2glox) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(-1 + -3glo + 2glox)' equal to zero and attempt to solve: Simplifying -1 + -3glo + 2glox = 0 Solving -1 + -3glo + 2glox = 0 Move all terms containing g to the left, all other terms to the right. Add '1' to each side of the equation. -1 + -3glo + 1 + 2glox = 0 + 1 Reorder the terms: -1 + 1 + -3glo + 2glox = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -3glo + 2glox = 0 + 1 -3glo + 2glox = 0 + 1 Combine like terms: 0 + 1 = 1 -3glo + 2glox = 1 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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