5/8y-3/4=2y-2 2/5 решите плиз

5/8у-2у=-2 2/5+3/4
5/8у-16/8у=-12/5+3/5
-11/8у=-33/20
у=1,2

2у-5/8у=2 2/5-3/4
1 8/8у-5/8у=2 8/20-15/20
1 3/8у=1 28/20-15/20
11/8у=1 13/20
11/8у=33/20
у=33/20*8/11
у=6/5
у=1,2
проверка
5/8*6/5-3/4=2/1*6/5-2 2/5
3/4-3/4=12/5-12/5
0=0