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x^3+2*x^2-4*x+7;x^2-x-6
2*x^2+3*x+4 = 0;x
x
x-3;x-(5*x)+y+1
-3*(y/3+1)-2 = 4*(1-y);y
y
5.134;17
| R-2=13 | | 9x-8=109 | | -10-K=-22 | | -1+P=-2 | | 6m=39 | | Y-6=24.86 | | 11!/(11-3p)! | | 0.6h=0.5h+3 | | Z-8=27 | | 16d=4d+5s | | 70=(x+7)(x+5) | | B-3/4=1/5 | | 9x=101 | | x^2+40x=-30 | | 4+x=12.45 | | 3x+4=9x+5 | | Z+4.6=11 | | -2/5x(x-4)=-2 | | -24=-3+3x | | -5(2t+8)=-50 | | (X+1)+(3x+1)=180 | | -7+5u=-2 | | 3/X=-8 | | 3(f-8)=-39 | | 7+P=-2 | | 2x+28=146 | | 145=20.88x | | 3w/7=42 | | 3y*8=7y+11 | | 9x-9+3-4x=1x-38 | | 7.5x=180 | | 11x-31=180 |