log(x-21)=2-log(x)

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Solution for log(x-21)=2-log(x) equation:


Simplifying
log(x + -21) = 2 + -1log(x)

Reorder the terms:
glo(-21 + x) = 2 + -1log(x)
(-21 * glo + x * glo) = 2 + -1log(x)
(-21glo + glox) = 2 + -1log(x)

Multiply glo * x
-21glo + glox = 2 + -1glox

Solving
-21glo + glox = 2 + -1glox

Solving for variable 'g'.

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

Add 'glox' to each side of the equation.
-21glo + glox + glox = 2 + -1glox + glox

Combine like terms: glox + glox = 2glox
-21glo + 2glox = 2 + -1glox + glox

Combine like terms: -1glox + glox = 0
-21glo + 2glox = 2 + 0
-21glo + 2glox = 2

Reorder the terms:
-2 + -21glo + 2glox = 2 + -2

Combine like terms: 2 + -2 = 0
-2 + -21glo + 2glox = 0

The solution to this equation could not be determined.

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