Question

Помогите номер 2!!!Срочно

Answer 1

7y= 27,8-2,6
7y=25,2
y=3,6

Answer 2

7у+2,6=27,8
7у=27,8-2,6
7у=25,2
у=3,6

Answer 3

7y+2,6=27,8

Answer 4

7y=27,8-2,6

Answer 5

7y=25,2

Answer 6

y=25,2:7

Answer 7

y=3,6