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4200/2 = 0
2100 = 0
L <> R
| 4x-3=425 | | 10xy+7xy=80 | | 2/3x-4=8 | | 12c/6 | | 6w+5z=67 | | Z=4w+3 | | 15+2y=11 | | 12m-2m= | | nx^2+5x+1=0 | | f(x)=6x^4+5x^3-17x^2-6x | | 7x^2-sx+5=0 | | 7x^2+sx+5=0 | | 6p+p=56 | | x-y-9=0 | | 4x+18=14x+-102 | | 10c+5c=150 | | 7x=2x+4 | | 4(x+10)=8x+4 | | a(x-a)+4a=2x+4 | | 3x^7=15 | | (x-3)-2(3x+1)=0 | | 4x+4(7-3x)=6x | | 5x-7=8x+28 | | 20m^2-8m+35= | | y=x(x-8)2 | | 12m^2-24m+5= | | 5(x-5)=-(5-2x) | | 2x+4y=78 | | 5x-5=4x+12 | | 7x^2+56x=-84 | | (6(3x+2))/2-(6(x+1))/3=6x | | 3x^2-198=15x |