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21/2+11/3 = 0
11/3+21/2 = 0
85/6 = 0
L <> R
| 1/4+5/8=k | | 2x-3=2x-33 | | a=16-1 | | 163=11x+20 | | 3/4+1/2=v | | 3(4r+1)-4(r-2)= | | (5x+6)=(8x-15) | | 1/2+1/2=c | | -4(5-m+n)= | | 3n+15-35=N | | 2n=10(7+11) | | 4k=-3/4 | | x-4.5+x+20=0 | | 5p=115 | | -2.7p=3 | | x-x+20=0 | | (6x-9)=(3x+24) | | 9/5d=10/9 | | 6.4=5e-(3*4.2) | | Y/3=10 | | 81x^2-54x+9= | | 1.2x-5+3=3.2-5.6x+0.4x | | a-2/1=5/3 | | x^4-14x^3+49x^2= | | P^2+p=5 | | 5/4+x=7/3 | | (4x^2+30x+33)/(x+6) | | M^2-2m+4=0 | | -5n/4=15/12 | | 2/3=-2/9+w | | 2r-19=-11+r | | 4/x-3=-2/5 |