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)
1/12 = 1.5/x // - 1.5/x
1/12-(1.5/x) = 0
1/12-1.5*x^-1 = 0
-1.5*x^-1 = -1/12 // : -1.5
x^-1 = 0.05555555
-1 < 0
1/(x^1) = 0.05555555 // * x^1
1 = 0.05555555*x^1 // : 0.05555555
18.0000018 = x^1
x = 18.0000018
x = 18.0000018
| 9n-31=43 | | y-3/7=-6 | | 3-9/(-1)*3 | | 5-r=-19 | | (11/6)x=-1 | | F=9/2(n-27) | | 9x-15=d | | x^2-.5x+.0625=1 | | -7(x+4)=2(x+4)-9x | | 4-6(x-2)=-2(2x-14) | | 2b^2=35+9b | | 3-1/4=7/8 | | 19x-1=11x-9 | | (5*t^2-30t)/5t | | x+49=5x | | b/19-7b/19=36/19 | | h/2-11=12 | | 2k^2+k=10 | | 8(2x+3)=4(4x+9) | | 288/2 | | 5r-8=58 | | h^2-3h+2forh=-3 | | 2x+3(5x+9)=61 | | 105+12x=7x+3 | | 3+k=21 | | 4x-4-6x+10=-3x-1 | | 4y=-x-3 | | 8n-(2n+8)=19 | | n^2-23=-8n | | 4y=z-3 | | -7(-2n-4)=5(n-3)+-6 | | -2(x+6)+6x=5(x-5)+30 |