Question 955428
{{{15*3^(x+1) - 243*5^(x-2) = 0}}}
{{{3*5*3^(x+1)=3^5*5^(x-2)}}}
{{{3*5*3*3^x=(3^5*5^x)/5^2}}}
{{{(5/3)^x=(3^2*5^3)/(3^5)}}}
{{{(5/3)^x=(5^3)/(3^3)}}}
{{{(5/3)^x=(5/3)^3}}}
{{{x=3}}}