1
_____________
2x/(5/3)=5/6
2x=(5/3)*(5/6)
2x=25/18
x=35/36
2
________________
0.28x+3/4=11/4
0.28x=11/4-3/4
0.28x=8/4
0.28x=2
x=2/0.28
x=7.14