lg(5x-4)=lg(3x-7)

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Solution for lg(5x-4)=lg(3x-7) equation:


Simplifying
lg(5x + -4) = lg(3x + -7)

Reorder the terms:
gl(-4 + 5x) = lg(3x + -7)
(-4 * gl + 5x * gl) = lg(3x + -7)
(-4gl + 5glx) = lg(3x + -7)

Reorder the terms:
-4gl + 5glx = gl(-7 + 3x)
-4gl + 5glx = (-7 * gl + 3x * gl)
-4gl + 5glx = (-7gl + 3glx)

Solving
-4gl + 5glx = -7gl + 3glx

Solving for variable 'g'.

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

Add '7gl' to each side of the equation.
-4gl + 7gl + 5glx = -7gl + 7gl + 3glx

Combine like terms: -4gl + 7gl = 3gl
3gl + 5glx = -7gl + 7gl + 3glx

Combine like terms: -7gl + 7gl = 0
3gl + 5glx = 0 + 3glx
3gl + 5glx = 3glx

Add '-3glx' to each side of the equation.
3gl + 5glx + -3glx = 3glx + -3glx

Combine like terms: 5glx + -3glx = 2glx
3gl + 2glx = 3glx + -3glx

Combine like terms: 3glx + -3glx = 0
3gl + 2glx = 0

Factor out the Greatest Common Factor (GCF), 'gl'.
gl(3 + 2x) = 0

Subproblem 1

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