Question 908111
{{{125^x=25/5^x}}}
{{{(5^3)^x=5^2/5^x}}}
{{{5^(3x)=5^(2-x)}}}
The base is the same for both members, so the exponents are equal.
{{{3x=2-x}}}
{{{4x=2}}}
{{{highlight(x=2)}}}