Question

5 la 2 totul la x+3=5 la 4 x*5 la 2

Answer 1

$( 5^{2} ) ^{x+3} = (5^{4x*5} ) ^{2} =\ \textgreater \ 5^{2x+6} = 5^{40x} =\ \textgreater \ 2x+6=40x$
38x=6=>$x= \frac{6}{38}= \frac{3}{19}$