Question

Реши уравнения: х/5+х+2/15=1/3

Answer 1

$frac{x}{5}+ frac{x+2}{15}= frac{1}{3}$
$frac{3x+x+2}{15}= frac{1}{3}$
$3(4x+2)=15$
$12x+6=15$
$12x=9$
$x= frac{9}{12}$