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/2 = 0
x/2 = 0
x/2 = 0
1/2*x = 0 // : 1/2
x = 0
x in (-oo:0) U (0:+oo)
(4*x)/(x/2) = 24 // - 24
(4*x)/(x/2)-24 = 0
-16 = 0
x belongs to the empty set
x belongs to the empty set
| 18x+3-4x+1=16x-7+20x-5 | | 4(3b-5)=-31+12b | | -3/5u=4 | | 9x-3x+7+19=2x | | 3(3x+5)=2(2x+3)-19 | | 1.8=1.08 | | 4/5b=9 | | 4/x-9=5x | | -14=-4x | | 21-5q=4 | | X/9=3/x | | -14=14x | | 12x+5=2x+5 | | 23.9=-22.4-n | | 15x+18=23x-8 | | f(x+h)=x(20-x) | | 8x^3-12X^2y+6xy^2-y^3=0 | | 6-4x+2=5x-1 | | -1/7b-4=3 | | 13x+7=10x+11 | | 253=11+11m | | f(-x)=6x^2+2x-12 | | -3(5n-5)=-105 | | 6(x+8)=5-4 | | 5/2t=20 | | 0.01/3.13x100 | | 9-(3z-9)=6-4z | | 16=r^8 | | 24x^4-36X^3y+18x^2y^2-3xy^3=0 | | -139=-7-3(-4+6a) | | 5y+2x=7 | | A+140-40=310 |