(8*y-30)/9=50 помогите решить уравнение

(8*y-30)/9=50 (8*y-30)=50*9 8*y - 30 = 450 8*y = 450+30 8*y = 480 y = 480/8 y = 60 _______________ (8*60 - 30) : 9 = 50