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)
32/X = 20 // - 20
32/X-20 = 0
32*X^-1 = 20 // : 32
X^-1 = 5/8
-1 < 0
1/(X^1) = 5/8 // * X^1
1 = 5/8*X^1 // : 5/8
8/5 = X^1
X = 8/5
X = 8/5
| 5x-7y=-33 | | 10y-[11(9-y)-21]=4y+3(6-5y) | | -8x+6y=-36 | | x2=4/36 | | 45x-43=6 | | -69=3(4n+3)-6(5n+7) | | 19(7c-1)-14=131c+19 | | 1/2r-12=27 | | 4x+5+3x=2x-15 | | (-8)-(-1)=-7 | | -30-5m= | | 8x^2-1x^5= | | 14x-35=12x-31 | | 14x-35=124-31 | | -30+5m= | | -m+6=-2 | | (3y-5)(2y-7)=0 | | -30-m= | | -11n+2=-9n-4 | | -30+m= | | -3(t-5)+5t=9t-8 | | x-(1)=-7 | | -8x+6=-24 | | -88=-7x-4x | | -2y-12=5y+37 | | -5(6+m)= | | 2=3-3 | | 15-(x-6)=(3x+5) | | x-(0)=-7 | | -4(t-3)+6t=9t-2 | | -112=-4x+4(3x-12) | | 7x+12+4x+3= |