Odpowiedź:
5 i 1/2 - x = 3 i 1/4
x = 5 i 1/2 - 3 i 1/4 = 5 i 2/4 - 3 i 1/4
x = 2 i 1/4
spr 5 i 1/2 - 2 i 1/4 = 5 i 2/4 - 2 i 1/4 = 3 i 1/4
x * 3 i 1/5 = 8
x = 8 : 3 i 1/5 = 8 * 5/16
x = 5/2
spr 5/2 * 3 i 1/5 = 5/2 * 16/5 = 8