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0.05*x+0.02*y-15*0.9+0*0.03+13.8;0.05*x^2+0.02*y^2+0.9*(-15)^2+0.03*0^2-209.5;13.5-(0.02*y)-13.8-0.05;209.5-(0.07*x^2)-202.5
abs(1*x-2) = 3
(x+1)*(x-2)*(x+3) = 0
2*x^5+8*x^4+16*x^3+0*x^2+0*x+0 = 0
3*x^5+2*x^4+5*x^3+0*x^2+0*x+0 = 0
| 45=-5(6y+3) | | .33(y+7)=3(y-1) | | 9x-(-9x+6)=10 | | 2=25-2x | | 3.4g+2=1.4g+14 | | 2x+x+65=5600 | | 8+6.95p=24.95 | | 6x+7(-4x+3)=-23 | | 32y-15y= | | 60X-36X-840000=720000 | | 25x-20+13x+4=270 | | 25x-20+13x+4=45 | | 7y+4-4y=10 | | -1.2+4x^3=0 | | 3x-2x-34=45 | | 6.8+0.6y^2=0 | | 0.3333333x^2+14=26 | | 2x^2-2x-48=0 | | 5a-39=10b-19 | | X(X+4)=75 | | 16-3y=46 | | log2/log1.0033*12t | | 69*2-a=45 | | 9X-(-9X)+6=10 | | -6y-x=18 | | 6-4x+x=15 | | log2/log1.0033 | | 7x-x*x=10 | | -4x-5y=28 | | 4z+3(6-z)=(z-4)+10 | | 2x+9y=60 | | 0.8x-6.5(x-1)=35 |