Question

5/22 totul la 4x-5 < sau = 4,4 => x=?

Answer 1

$4,4= \frac{44}{10}= \frac{22}{5}=( \frac{5}{22}) ^{-1}$, ecuatia devine: 
$( \frac{5}{22}) ^{4x-5}= ( \frac{5}{22}) ^{-1},deci,4x-5=-1,sau,4x=4,solutie,x=1.$