Question

Помогите срочно! 1 3/4 - y= 2 7/10

Answer 1

1 3/4 - y = 2 7/10
7/4 - y = 27/10
y = 7/4 - 27/10
y = 35/20 - 54/20
y = - (54-35)/20
y = - 19/20

Ответ: - 19/20

Answer 2

1 3/4 - у= 2 7/10
-у= 27/10 - 7/4
-у= 54/20 - 35/20
-у= 19/20
у= -19/20
у= -0,95.