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-x/3-3/6-3/2= 2/3+x/9+2/45
-x/3-x/9=2/3+2/45+3/6+3/2
-3x/9-x/9=4/6+2/5+3/6+9/6
-4x/9=16/6+2/5
-4x/9=80/30+12/30
-4x/9=92/30
-120x=828
x=--828/120
...........Kd