If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
X-(x/(-4))-(4/20) = x/8 // - x/8
X-(x/(-4))-(x/8)-(4/20) = 0
X-(x/(-4))-(x/8)-1/5 = 0
X+1/8*x-1/5 = 0 // - X-1/5
1/8*x = -(X-1/5) // : 1/8
x = (-(X-1/5))/1/8
x = 8*(1/5-X)
x = 8*(1/5-X)
| H^4+H^2-H= | | xy+6x+z^2=48 | | X-4/20-x/4=x/8 | | 5ln(3x+5)=9 | | 130+3x+10=180 | | 7x-15=-7+5x | | 26=n-/-4 | | Cos^2x-2cosx+2=1 | | x+y-z=a | | 7x-7(1+8x)=-105 | | -5(w-6)=5w+40 | | 12(m+1.5)=24 | | X+4-5x=7-4x-3 | | 4m-26=30+6m | | U-3/5=U=3/8 | | 27-150+(-50)+3= | | 4+x-b=d | | 25+180+2x+y=360 | | 9+x-13=c | | x/-15.=21 | | 50m+2=144 | | 7x-6x=-6 | | 2x^2+21x-8=0 | | 9+x-13=x | | 100m+20=460 | | g+g^2=132 | | x-n=a | | -60(x+6)=120 | | -4(-4x+2)=-2x-62 | | 7-k+3=13 | | e^1-3x=20 | | -4(-4x+2)=2x-62 |