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2/x-1>3
2/x-1*x-1>3
2/x-1x-1>3/*x-1
2(x-1)-1x-1>3*x-1
2x-2-1x-1>3x-1
x-3>3-1
-3+1>3x-x
-2>2x/2
-1=x
3.
3/2x+2>= 1/x - 1
3(x-1)>=1(2x+2)
3x-3>=2x+2
-3-2>=2x-3x
-5>=-1x
1/3x-2-x^2>3/7x-4-3x^2
1/3x- 2-2x>3/7x-4+9x
1/3x-2x-3/7x-9x>2-4
-5/3x-9*3/7>-2
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2.
2/x-1 - (1/x+1) >3
2/x - 1 -1/x - 1>3 /*x
2-x-1-1>3
x>3-2+2
x>3
3.
3/2x+2>= 1/x -1
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