Question 368561
{{{4^(x+4)=5^(2x+5)}}}
{{{x+4=log(4,(5^(2x+5)))}}}
{{{x+4=(2x+5)*log(4,(5))}}}
{{{x+4=2ax+5a}}} where {{{a=log(4,(5))}}}
{{{x-2ax=5a-4}}}
{{{x(1-2a)=5a-4}}}
{{{x=(5a-4)/(1-2a)}}}
{{{x=(5*log(4,(5))-4)/(1-2*log(4,(5)))}}}
{{{x=(5*(ln(5)/ln(4))-4)/(1-2*(ln(5)/ln(4))))}}}
{{{highlight(x=(5*ln(5)-4*ln(4))/(ln(4)-2*ln(5)))}}}