If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( k )
k = 0
k = 0
k = 0
k in (-oo:0) U (0:+oo)
8/k = 2/6 // - 2/6
8/k-(2/6) = 0
8/k-1/3 = 0
8*k^-1 = 1/3 // : 8
k^-1 = 1/24
-1 < 0
1/(k^1) = 1/24 // * k^1
1 = 1/24*k^1 // : 1/24
24 = k^1
k = 24
k = 24
| 2f(x)=9x-3 | | 5/6(2x)=1/2-3x | | 69Y-50=18-2Y | | -2(z+9)-6z=5 | | -2(2t+9)=-18 | | 2(f-2)=4 | | 5/9(f-32=27 | | (16)/(6n-2) | | 8x+20=5x+7 | | 4/3y-18=-12 | | 4(3a+2)=10 | | 2y-6=6+6y | | 5/9(f-32=c | | 4/5x3/6 | | (-a-2b)x(a+3b)= | | 42/6=c | | 8(s-4)=-116 | | y=-3+3+5 | | 4x+7x+14x=0 | | 240+0.08s=410 | | 9x^2-4y^2-90x+32y-163=0 | | 79=9z | | y=-3+0+5 | | y=-3+-3+5 | | x/13+3=-4 | | y=-3+-6+5 | | 5(x+4)+2=5x+6 | | 97+16x=-79 | | 2(z-6)+-8z=-5 | | y=-6+1+2 | | (Y^2+yx)dy-(x^2)dx=0 | | -x/5+11=-4 |