Question

решите уравнение 

2,136:(1,9-х)= 7,12

Answer 1

2,136:(1,9-х)= 7,12

1.9-x=2.136/7.12

1.9-x=0.3

-x=0.3-1.9

-x=-1.6

x=1.6

проверка:

2.136/(1.9-1.6)=7.12

2.136/0.3=7.12

7.12/7.12

Ответ:1,6.