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)
2 = 6/z // - 6/z
2-(6/z) = 0
2-6*z^-1 = 0
-6*z^-1 = -2 // : -6
z^-1 = 1/3
-1 < 0
1/(z^1) = 1/3 // * z^1
1 = 1/3*z^1 // : 1/3
3 = z^1
z = 3
z = 3
| 0.4+p=0.80+0.60p | | 2 = 6z | | 8-f=3 | | x+(.07x)=10 | | 5+5-4-3= | | 0.4x+5.8=3.2 | | 7x+1+6x-10=2y+100+2y+75 | | 17-5(2x-9)=-(-6-10)+4 | | -2x-(-x)-11x-(-13x)=-16 | | X+(x+1)=3x-2 | | (3x+10y)+(7x+10y)=180 | | 7x+1+6x-10+2y+100+2y+75=360 | | 5x/8=15/4 | | 7x+1+6x-10+2y+100+2y+75=180 | | 6x^4+24x^2=0 | | 2y=10/7 | | 4x+6x^2=30 | | -16w+7w-(-16w)-(-10w)-(-13)=-4 | | 9/5=27(y-7) | | 13n+3n-16n+2n+n-2=7 | | 2x^2+7x+-3=0 | | 7x-11=7(x+2) | | 1/4x-1/2=2 | | 7x+2y-3y-5y= | | 20=4/3x | | 10/(3-4I) | | 10z-7z=15 | | 9x+9-10x+2=8x-9x-3 | | 15z-15z+z=14 | | -3m+2=17 | | Sy= | | -5=7+3z |