Question

Решите уравнение 3,8/6 = 7х/4,2.

Answer 1

$frac{3.8}{3} = frac{7x}{4.2} \ \ frac{ frac{19}{5} }{6} = frac{ frac{7x}{21} }{5} \ \ frac{19}{30} = frac{5x}{3} \ \ 57 = 150x \ \ 150x = 57 \ \ x = frac{57}{150} \ \ x = frac{19}{50}$

~•~•~•ZLOY_TIGROVSKIY~•~•~•