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-1 = 30/x+9 // - 30/x+9
5/x-(30/x)-9-1 = 0
5/x-30*x^-1-9-1 = 0
-25*x^-1 = 10 // : -25
x^-1 = -2/5
-1 < 0
1/(x^1) = -2/5 // * x^1
1 = -2/5*x^1 // : -2/5
-5/2 = x^1
x = -5/2
x = -5/2
| 36x-9=18x+6 | | -25x^2+15x-2=0 | | 2*2x+3-9.2*x+1=0 | | (2x^4)(8x^15)= | | -24=-9(10+x) | | 18/z=9/12 | | (4x)4-36=0 | | 8t-2=-3+7t | | 50b+.50=125 | | c=5/9*(f-32) | | 12l=276 | | 6(2x-4)=2(6x+9) | | 5x+4=-x+22 | | x^4-7x^2+20x+12=0 | | 7+11t-5=6t+9-2t | | z^2-9z=72-8z | | z^2-4z=-24+6z | | 3(3+5x)-3=66 | | 1/2(x+5)=2/3(2x-10) | | x+(x+31)+(4x-40)=603 | | t^2+8t=24+3t | | z/15=-13 | | t^2-2t=6-3t | | |x-1-3-x|=2 | | x-1-3-x=2 | | (x-4)(4x-3)=0 | | 2/7x=63 | | 7.5+0.5x=7.5 | | x/9=12/10 | | 11-10x=19-17x | | x+2/7x=63 | | 30=-5/2y |