lg(2x+6)=2lg(x-1)

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Solution for lg(2x+6)=2lg(x-1) equation:


Simplifying
lg(2x + 6) = 2lg(x + -1)

Reorder the terms:
gl(6 + 2x) = 2lg(x + -1)
(6 * gl + 2x * gl) = 2lg(x + -1)
(6gl + 2glx) = 2lg(x + -1)

Reorder the terms:
6gl + 2glx = 2gl(-1 + x)
6gl + 2glx = (-1 * 2gl + x * 2gl)
6gl + 2glx = (-2gl + 2glx)

Add '-2glx' to each side of the equation.
6gl + 2glx + -2glx = -2gl + 2glx + -2glx

Combine like terms: 2glx + -2glx = 0
6gl + 0 = -2gl + 2glx + -2glx
6gl = -2gl + 2glx + -2glx

Combine like terms: 2glx + -2glx = 0
6gl = -2gl + 0
6gl = -2gl

Solving
6gl = -2gl

Solving for variable 'g'.

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

Add '2gl' to each side of the equation.
6gl + 2gl = -2gl + 2gl

Combine like terms: 6gl + 2gl = 8gl
8gl = -2gl + 2gl

Combine like terms: -2gl + 2gl = 0
8gl = 0

Divide each side by '8'.
gl = 0

Simplifying
gl = 0

The solution to this equation could not be determined.

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