1)

х-2/36=5/12

12 * (x - 2) = 36 * 5

12x - 24 = 180

12x = 180 + 24

12x = 204

x = 204 : 12

x = 17

2)

4/3х-11=36/63

36 * (3x - 11) = 63 * 4

108x - 396 = 252

108x = 252 + 396

108x = 648

x = 648 : 108

x = 6