15 3/28-(4 11/28+y)=7-1 9/28

Question

15 3/28-(4 11/28+y)=7-1 9/28

Answer 1

-4 11/28-у=7-1 9/28-15 3/28;
-у=7-16 12/28+4 11/28;
-у=11 11/28-16 12/28;
-у=-5 1/28;
у=5 1/28.