Question

Как решить уравнение 20:(x:9)=4

Answer 1

$20:(x:9)=4$
$20: frac{x}{9} =4$
$20: frac{x}{9} =4, x neq 0$
$20* frac{9}{x} =4$
$frac{180}{x} =4$
$180=4x$
$4x=180$
$x=45, x neq 0$
Ответ: х=45

Answer 2

дурак! !!!!!

Answer 3

Привет дурак

Answer 4

20/(х/9) = 4   х/9 = -(4/20)   х = -(4/20)*9   х = -1.8