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)
5/x = 2/8 // - 2/8
5/x-(2/8) = 0
5/x-1/4 = 0
5*x^-1 = 1/4 // : 5
x^-1 = 1/20
-1 < 0
1/(x^1) = 1/20 // * x^1
1 = 1/20*x^1 // : 1/20
20 = x^1
x = 20
x = 20
| y=-2/3 | | -4+5(-3y+7)=61 | | 6(-2)-2=y | | 6(3)-2=y | | j+(0.50+0.75)=18 | | 6+4p=8 | | p^2-12p+20=0 | | 6x=16x | | 12(x+1)-4(x-5)=3(x-1)+4x+8 | | 2(a+b)x=S | | 18j(0.50+0.75)= | | 6(1)-2=y | | 7k/8-5k/16 | | Sx=3v | | 18.50+x=30.6 | | H+17-2h-12=36 | | 7+2y=23 | | 18.50+x=26.5 | | k^2+10k-27=0 | | 7+2y=11 | | -5(-4y+9)-5y=3(y-8)-6 | | 6/x=24/39 | | n^2+16n-89=0 | | 3v=Sx | | 7+2y=9 | | 7+6x=10x-9 | | +6x=10x-9 | | 5a=6x-15 | | 3(1)+2y=12 | | 8x=5y+18 | | 0=n^2+70n | | 3(2)+2y=12 |