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1/2+2/5+3/7+4/9 = 0
2/5+3/7+4/9+1/2 = 0
3/7+4/9+2/5+1/2 = 0
3/7+4/9+9/10 = 0
4/9+3/7+9/10 = 0
4/9+93/70 = 0
1117/630 = 0
L <> R
| x*4x=77 | | 214-3= | | x*x+4x=77 | | x-(-5x)=7x | | 18x-7=14-3x | | 18x-7=14-3 | | (9x+3)+(x+5)= | | p=78/5(18) | | 60-3x=6x+23 | | 11-9x=211-44x | | X+Y=62 | | 4-4=3x-24 | | 6/500x=600 | | x^2-2u-3=0 | | x=P-5.16/y | | x=P-(5.16/y) | | 7p+4q=36 | | 4(y+3)=2 | | 5x/x-3+90/x^2-9-5x/x+3 | | 2x+3/2=13/3 | | 3(x+7)+2(x-4)=38 | | 2x-3(8-5x)=3 | | w^5u^6/w^4u | | 5+2x=4x-3 | | p-42=36/5(h-7) | | 4t(5y-2)=52 | | (20/100+1/12+8/10+10/100+1/6)P+250=2000 | | y=x^2(20) | | 9(2x+10)= | | 5(2x+1)-5=3(x+1) | | m/18=15/12 | | 2/3x=7000 |