Х+7/12=3/4,

Х-3/5=3/8

У+2/7=1/3

У-3/8=5/32

X + 7/12 = 3/4,

x = 3/4 - 7/12,

x = 1/6;

Ответ: x = 1/6.

x - 3/5 = 3/8,

x = 3/8 + 3/5,

x = 39/40;

Ответ: x = 39/40;

y + 2/7 = 1/3,

y = 1/3 - 2/7,

y = 1/21;

Ответ: y = 1/21;

y - 3/8 = 5/32,

y = 5/32 + 3/8,

y = 17/32.

Ответ: y = 17/32.