5/6=2x/3
2x=5*3:6
x=1.25
4/9=8x/45
8x=45*4:9
8x=20
x=20:8=2.5
5x/12=2/3
5x=12*2:3
5x=8
x=8:5=1.6
6/7=10x/21
10x=6*21/7
10x=18
x=1.8
8/9=4x/27
4x=8*27/9
4x=24
x=6
27/5x=9/16
5x=27*16/9
5x=48
x=48/5=9.6
5/6=2x/3
2x=5*3:6
x=1.25
4/9=8x/45
8x=45*4:9
8x=20
x=20:8=2.5
5x/12=2/3
5x=12*2:3
5x=8
x=8:5=1.6
6/7=10x/21
10x=6*21/7
10x=18
x=1.8
8/9=4x/27
4x=8*27/9
4x=24
x=6
27/5x=9/16
5x=27*16/9
5x=48
x=48/5=9.6