x+25/100=58/100
x = 58 / 100 - 25 / 100
x = 33 / 100
V: 33 / 100 + 25 / 100 = 58 / 100
100 / 100 - x = 25 / 100
x = 100 / 100 - 25 / 100
x = 75 / 100
V: 100 / 100 - 75 / 100 = 25 / 100
75 / 100 - x = 37 / 100
x = 75 / 100 - 37 / 100
x = 38 / 100
V: 75 / 100 - 38 / 100 = 37 / 100