Question

решитеы уравнениеы 11*(3.8-y)=5.5*(3.6-y)

Answer 1

11*(3,8-у)=5,5*(3,6-у)
41,8-11у=19,8-5,5у
-11у+5,5у=19,8-41,8
-5,5у=-22
у=-22:(-5,5)
у=4

Answer 2

11*(3.8-y)=5.5*(3.6-y)
41,8-11y=19,8-5,5y
41,8-19,8=11y-5,5y
22=5,5y
y=22:5,5
y=4
Ответ:y=4.