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x = 2*x^2-(8*x)+1
3/20-(2/20) = 0
5*x-6*x^2-1 > 0
(-3/4)*x^7 = 0
4/y-5 = (5/2)*y
| 7x-15=5x-(4x+3) | | 3z+8=z-2 | | 15x=4000 | | (600X-400x^2+275)=0 | | 3(x+3)-2(2x-4)=12(2x-7) | | 3ln(a)+ln(2a)=k | | f(x)=log(1/x-8) | | L=8.5m | | 17x+14y=476 | | f(x)=log(1/x-8 | | 10x+6=4x^2 | | 2w-2x-y+4w+16x-8y= | | 2x+3y=91 | | 7x-3y+11w+6y-5w+7x= | | 3x-x=84 | | (60-2x)(500+50x)=36400 | | 5x+6y+12x+8y=476 | | 3w+3y+7x+7x-12y+3w= | | (X+y)dy-ydx=0 | | -100x^2+2000x+30000=36400 | | -20m=-500 | | 12x=30x-25 | | 3/20-2/20 | | -3/4x7 | | 5y+3=y+4 | | 18x+10y=1100 | | 3x+8=-22+3x | | (g^2+2g)= | | 7a+21=6a+42 | | 4t^2-32t-28=0 | | 3-9x=5-9x | | (4/y)-5=5/2y |