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)
2.4/1.8 = 72/k // - 72/k
2.4/1.8-(72/k) = 0
2.4/1.8-72*k^-1 = 0
-72*k^-1 = -1.33333333 // : -72
k^-1 = 0.01851852
-1 < 0
1/(k^1) = 0.01851852 // * k^1
1 = 0.01851852*k^1 // : 0.01851852
53.99999568 = k^1
k = 53.99999568
k = 53.99999568
| 1/3x-3=-6 | | 6+-2x=x | | 4y-12=8+5y | | x=(10-2x)2 | | -24-x+6x=11 | | -16-4=-2x | | y^4-2Y^3=0 | | 8x-(5x-3)=18 | | 5.4b-2(1.5b+3.2)=0.8 | | 34-6n=2(-7n-3) | | -16+9c=3(2c-4) | | 15x=-12x+14 | | 3a*7/4a*7 | | 15+1+5x+1=x-3 | | 19x-5=16x+7 | | 3x+5(4x-2)=36 | | 5/6x=650 | | 7x^2-14x-60=-4 | | 12-4h=4 | | 6.1x=183 | | 2x+(2)=50 | | 3(3n+3)=9(6n+2)+3 | | -3(4x-5)-4x=-81 | | -3x=-6y+9 | | 5ax+2b=7cx+d | | 5(-1)2x=23 | | 7-5x/-5=-5x/-5 | | 4=9/16y | | sin^2x=4-5cos^2x | | 3(2)+2=56 | | (7-5x)/(-5)=(-5x)/(-5) | | (y^3+y)(y-2)=0 |