Question

12 13/45-(у-5 17/45)=3 23/45

Answer 1

12 13/45-(у-5 17/45)=3 23/45(у-5 17/45) = 12 13/45-3 23/45
(у-5 17/45) =  8 35/45
у = 5 17/45 +  8 35/45
у  = 14 7/45