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log(2)(-3)
4*x-x+2+7 = 9;x
x
x^5+x^2+8;x^2+2*x+7
4*x^2+2*x-6 >= 0;x
x
sin(5*x)
| 2x-3y-5z+w=-2 | | 7p-25=485 | | 3x-2x-5x=0 | | -5=5/9(f-32) | | 43.25+7=1.25t | | 6x+4y+3z+2w=19 | | 10(s-7)=-149 | | 10(9+0.4y)-4y=90 | | 6.6x+6-8.6x=2 | | 8(x-9.6)=6.4 | | 7x/2-5=9 | | -3(x+5)+5=5(x+2)+8 | | (x-14)*8=64 | | m-11.5=-25.9 | | 3x-2y-5z+w=-2 | | 1/6x-5=2/3x | | 3x+2.5=4 | | 3(2x-3)-2=3(x-2)+19 | | -7=5+w | | x+2y+3z=30 | | -3z-8z=7z+8+8z | | 3y-45=90 | | xe^(-x/2) | | 20-3v=2v | | 2x=1734 | | 2x+5y+7z=71 | | 6/12=x/100 | | 3x-7(7-x)=6 | | 2x=2094 | | 6x^2+-5x+1=0 | | 2x^4+5x^2=1 | | -x^2+26=3x^2-52 |