(х-5 4/5)*1 1/4=5 1/3
( Х - 5 4/5 ) • 1 1/4 = 5 1/3 Х - 5 4/5 = 16/3 : 5/4 Х = 64/15 + 5 4/5 Х = 4 4/15 + 5 12/15 Х = 9 16/15 Х = 10 1/15