Question

Решите уровнение ( 3.8 - y ) * 11 = 5.5 * ( 3.6 - y )

Answer 1

( 3.8 - y ) * 11 = 5.5 * ( 3.6 - y );41.8 - 11y = 19.8 - 5.5y;11y - 5.5y = 41.8 - 19.8;5.5y = 22;y = 4; 
Всё должно быть верно..

Answer 2

( 3.8 - y ) * 11 = 5.5 * ( 3.6 - y );

41.8 - 11y = 19.8 - 5.5y;

11y - 5.5y = 41.8 - 19.8;

5.5y = 22;

y = 4;