Question

Решите уравнение.

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

Answer 1

y=4

41,8-11y=19,8-5,5y
-11y+5,5y=19,8-41,8
-5,5y=-22
y=4

Вот и ответ)

Answer 2

(3.8-y)11 = (3.6-y)5.53.8*11-11y=3.6*5.5-5.5y
41.8-19.8=11y     22=11y   y=2