Question 673683
When:

{{{b ^y = x}}}

Then the base {{{b}}} logarithm of a number {{{x}}}:

{{{log(b( x ))= y}}}

{{{ log((x+12))=2 }}}......{{{b=e}}},{{{y=2}}} 

{{{e^2=x+12}}}

{{{e^2-12=x}}}