x-4 1/5=9 3/10-3 1/4

x - (4)1/5 = (9)3/10 - (3)1/4
x = (4)4/20 + (9)6/20 - (3)5/20
x = (13)10/20 - (3) 5/20
x = (10)5/20
x = 10,25