Question

30-[x+5 7/15]=18 9/20

Answer 1

х + 5 7/15 = 30 - 18 9/20
х + 5 7/15 = 11 11/20
х = 11 11/20 - 5 7/15
х = 11 33/60 - 5 28/60
х = 6 5/60
х = 6 1/12