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4*x^3+39*x^2-(96*x)+23 = 19
14.3*x+6.1*y-2;6.32*x+2.7*y-6
8;3;1;4;0;0
ln(cos(x)/sin(x))
1*x^4+12*x^2+0*x^3+0*x+16 = 0
| -9x+7+10x=-18+13 | | f(-10)=3x-9 | | f(7)=3x-9 | | -3-3=-4+x | | -12x-18=-90 | | -9a+6=3a-18 | | 5x+10x-8=-2x+14-2 | | 2t^2+14t+24=0 | | 2x+y-3z=-6 | | 3(3y+3)=6y+6 | | -1+16=m-9 | | 65+3=-35-x | | y-6=-1+8 | | x-2x+z=6 | | x+1=2x^4+2x^3-x^2-5x-4 | | 1/7x-2= | | [81x^-8/25y^12]^1/2 | | (6x^2-3x+25)+(2x^2+5x-54)= | | 5a-b+4= | | -5x+5y=50 | | 2x-11664/x^2=0 | | (2x-4)=2x^5-4x^4+2x^2-2x-4 | | 2x-11664/x^2 | | -2x+-4x= | | cos(x)=-2sin(x) | | X=-3y+28 | | 2x-200/x^2=0 | | 10y=-10 | | 69y=34(2y+7) | | Y-(-2)=5(x-(-6)) | | 45=10v-v | | 48=u+7u |