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11/15-(1/2) = 0
11/15-1/2 = 0
7/30 = 0
L <> R
| 13/15-1/6 | | 4+2a-7=3q+a+3 | | 29/30-1/4 | | g(x)=2x^2+3x-5 | | 1/6+7/20 | | ((5x-10)/10)=((3x-5)/7) | | 9m-27=-90+2m | | x^2=3.75 | | 1/2+29/60 | | 1/4+1/15 | | 19/20-5/12 | | x^2=3.125 | | 1.5+x=6 | | 1/2+7/60 | | f(x)=x^2-x-12 | | 1/3+1/20 | | -1/100x | | 1/6+11/30 | | 1/6+13/60 | | 1/6+13/30 | | 7/4=5/b-2 | | 1/6+9/20 | | 10(10x+10)=100 | | -3x-3/5=-1/2x-7/5 | | 1/7(14x+35) | | 12x+34=5 | | 53h=200 | | 2/8=n/60 | | -1/2x+2/5=-1/3 | | -18-5x=-2 | | 6(u-1)+5u+1=5(6+6)-u | | 7x^3-12x^2+160=0 |