Posted by **Meghan** on Sunday, May 17, 2009 at 9:03pm.

I need help simplifying these expressions.

1/3 + 2/x= 3/x

2/5 - 3/x=1/5x

3/x+1 - 1/x=1/2

4/x+1=3/x+2

x/x+3= x-2/x

2x^2-4x/x-2

5x/2 times 1/x

12x/5 divided by 6x/7

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