If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
x = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
17/x = 4 // - 4
17/x-4 = 0
17*x^-1 = 4 // : 17
x^-1 = 4/17
-1 < 0
1/(x^1) = 4/17 // * x^1
1 = 4/17*x^1 // : 4/17
17/4 = x^1
x = 17/4
x = 17/4
| 2(4+9w)=1w | | -3(x+7)=-6x-33 | | 80/1600 | | 5x+4x-8=46 | | 9/11u-1=5/6 | | 75=5w+10 | | 40+2x=8(7x+5) | | -7y-29=4(y+1) | | 2n^2-13n-70=0 | | 78-(6x)=6 | | 10z^2+37z+33=0 | | -6n+n=-6-2n | | -110x+y=56 | | 5t-3x=-72yt-24xy | | 0z^2+37z+36=0 | | 2x+64=32-12 | | 16x^12=27 | | 2x+17=82 | | 25n^3+5n^2-30n=0 | | .75x+8=4x-1.5 | | -4=b/17 | | 8(3x+1)=4(x-5) | | 7(3x+1)=4(x-5) | | 10-X+50+4=16 | | 5t-3x=(9t+3x)-8y | | 9=-n+4 | | (2x+11)=113 | | 5x-(-x-6)=3x+18 | | y=0.3x-0.5 | | -25-4m=-9 | | -20+5r=4(r-6)+3r | | 3r^2-12r-180=0 |