If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( z )
z = 0
z = 0
z = 0
z in (-oo:0) U (0:+oo)
72/z = 96/68 // - 96/68
72/z-(96/68) = 0
72/z-24/17 = 0
72*z^-1 = 24/17 // : 72
z^-1 = 1/51
-1 < 0
1/(z^1) = 1/51 // * z^1
1 = 1/51*z^1 // : 1/51
51 = z^1
z = 51
z = 51
| (8-z)(5z+6)=0 | | 52/70=26/s | | 3x-(2x+10-4)=7x | | 3/d=1/5.2 | | d/75=4/6 | | -5x+4=8 | | x^(3/2)=-125 | | 272/n=8/18 | | j/5.8=3/8.7 | | 10=x^4y^4 | | 42/28=81/g | | 3/z=165/550 | | .5x+(x-9)=180 | | 8x-2=8+7x | | -9(-a+2)-(5a-22)= | | 6/10.8=10/k | | 4x+(10+x)+x=154 | | 418/385=p/700 | | 4-2(x-6)=2-4x | | 9/24=p/936 | | -log(x)=.885 | | (3x)(2x^2)(5x^3)= | | 4x+(10+4)+x=154 | | 560/770=512/s | | 2x+36+2x=96 | | y^2-14y+15= | | 6/1=810/s | | 8-2(x-4)=6-4x | | 15/12=2/w | | 80+145=6+7x | | 45/39=75/p | | Y=1.6x+300 |