Verified answer

7/12у=2 1/4

7/12у=9/4

у=9/4:7/12

у=9/4*12/7

у=27/7=3 6/7

15/68 : x = 10/51

х=15/68:10/51

х=15/68*51/10

х=9/8=1 1/8

Verified answer

7/12у = 2 1/4

у= 2 1/4:7/12

у= 3  6/7

15/68 : x = 10/51

х= 15/68:10/51

х= 1  1/8