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)
(4*x)/x-5 = 20/x-5+2 // - 20/x-5+2
(4*x)/x-(20/x)-5-2+5 = 0
(4*x)/x-20*x^-1-5-2+5 = 0
-20*x^-1 = -2 // : -20
x^-1 = 1/10
-1 < 0
1/(x^1) = 1/10 // * x^1
1 = 1/10*x^1 // : 1/10
10 = x^1
x = 10
x = 10
| 5x^2+15x+5=0 | | (4x/x-5)=(20/x-5)+2 | | 2x-22x+60=0 | | 5x+5=61-3 | | (x+2)/3+(x-1)/6=2+x | | 6x=14y-16 | | 7x+13=x+4 | | -6a^2w(a^3w-aw^4)=0 | | 5x/3+6=-19 | | 32y^5/8y^2 | | 12x+8=2x+8 | | 12x-2y=19 | | b+12=30 | | -9(y^2-7w)=0 | | 2x^2+2y^2+z^2+2xz+2yz-x-y=0 | | 10y=6x-6 | | -9r^4y^2(-3ry^7+2r^3y^4-8r^10)=0 | | 12h-49=21 | | p+(-3)= | | P^2+7p= | | 16t^4/8t | | 3.5-12.25=x | | 13p+15q=59 | | 10p+9-11-p=-2(2p+4)-(2p-2) | | 13/12x=91 | | 3p+5q=31 | | 1.18y=y+4+1 | | 2x(x-5)=6x+66 | | 1.15y=y+4+1 | | 8.4=1.2p | | (x)2+x=0 | | 1.12y=y+4+1 |