1) 4*x+2 15/16=3 5/12

4*x+ 47/16= 41/12

4x=(41/12)-(47/16)

4x=(164-141)/48

4x=23/48

x=23/192

2) 7/9:x-7 3/4=1 1/4

7/9:x-31/4=5/4

7/9:x=5/4+31/4

7/9:x=36/4

7/9:x=9

7/(9x)=9

7=9*9x

7=81x

x=7/81

3) x:9-5 3/4=6 1/3

x:9-23/4=19/3

x:9=19/3+23/4

x:9=(76+69)/12

x=(145/12)*9

x=1305/12

x=108 3/4