If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( n )
n = 0
n = 0
n = 0
n in (-oo:0) U (0:+oo)
1/4 = 2/n // - 2/n
1/4-(2/n) = 0
1/4-2*n^-1 = 0
-2*n^-1 = -1/4 // : -2
n^-1 = 1/8
-1 < 0
1/(n^1) = 1/8 // * n^1
1 = 1/8*n^1 // : 1/8
8 = n^1
n = 8
n = 8
| 52+2x=5x-8 | | 52+2x=8-5x | | In0.8/0.5=x | | 5x+23y=-17 | | 3/4(x-9) | | 5+4w=6 | | 13x^2+9x+29=0 | | t^2-4.898t+2.653=0 | | 2.5=x-100/15 | | 3-cfn=SAT | | 2q+5=7q-20 | | 5l^3+5l^2w-2lw-2w^2=lw | | (.25)(20-4a)=6-a | | 5l^3+5l^2w-2lw-2w^2= | | 7/13=u/9 | | 6(x-6)+x=7(x-7)+13 | | 2x+8=3(5x-1) | | (X^4-5)/(x-1) | | (3)/(-4x-2)= | | 4+2+4=x | | 1.07=1+i^1 | | 2.3674=1+i^1 | | (-3x(6-5))-9= | | sqrt8-sqrt32/sqrt9 | | 5x^3-8x^2+3=y | | 5x^4-8x^3+3x=y | | -6(p+3)=p+9 | | x=2x+y | | 2=xy | | 4+(-14)=18 | | 4+2+4=0 | | -3x+1=(x+17) |