(20,2 - 27 3/7) - y = 19 32/35
-у+20.2=19 32/35+27 3/7
-y+20.2=19 32/35+27 15/35
-y+20 1/5=47 12/35
-y=47 12/35-20 1/5
-y=47 12/35-20 7/35
-y=27 1/7
y=-27 1/7
x - 1,5 = - 1,8 - 11,2
х-1.5=-13
х=-13+1.5
х=-11.5
0,03 + x = 0,15 - 0,17
0.03+х=-0.02
х=-0.02-0.03
х=-0.05
