Question

решить уравнение 8.7/15+4х=0.5/2"

Answer 1

$4x= frac{0.5*15}{30} - frac{8.7*2}{30}$
$4x=- frac{9.9}{30}$
$x=- frac{99}{1200}$
$x=- frac{33}{400}$