Question 626213
{{{3(5^x)+4(5^x)-2=0}}}
{{{3(5^x)+4(5^x) = 2}}}
{{{7(5^x) = 2}}}
{{{(5^x) = 2/7}}}
{{{x = log(5,2/7)}}}
{{{x = -0.7784 }}}