If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( h )
h = 0
h = 0
h = 0
h in (-oo:0) U (0:+oo)
7/h = 14/6 // - 14/6
7/h-(14/6) = 0
7/h-7/3 = 0
7*h^-1 = 7/3 // : 7
h^-1 = 1/3
-1 < 0
1/(h^1) = 1/3 // * h^1
1 = 1/3*h^1 // : 1/3
3 = h^1
h = 3
h = 3
| -y/2=3 | | 12/25=t/50 | | 3/6=1/w | | U/2=15/10 | | (6x+5)(x-3)=-2x(7x+5)+x-12 | | 2x+22y=16 | | T/8=33/24 | | G/11=g/44 | | 1/x=2/4 | | y^-1/4y^3/2/y^1/3 | | 36/104=9/d | | 7y+2(y-9)=6(y+1)-2 | | 9/m=27/21 | | 2a(a-1)=3a+40 | | x/3-7=6 | | 2x+(x-3)=4(x-5) | | -7/6c=-7 | | 5y+3(y-5)=5(y+1)-4 | | 1/2a-3=2 | | 9x+7=9(x-q) | | 4/5c-7=1/10c | | 3x-20=x+42+x | | 8-5x=13-(6x+6) | | (2x-5)/12=(-x)/4-5/3 | | 9x^7/4-99=0 | | -3+14-17=x | | 360=12x+2y+20 | | 14-(n+7)=3n+9-2n | | 18=y-6 | | 340-12x=2y | | (13b-1)-4(3b+4)=-4 | | 6.2x+4-2.2x=6x-120 |