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)
27/3 = 108/n // - 108/n
27/3-(108/n) = 0
27/3-108*n^-1 = 0
-108*n^-1 = -9 // : -108
n^-1 = 1/12
-1 < 0
1/(n^1) = 1/12 // * n^1
1 = 1/12*n^1 // : 1/12
12 = n^1
n = 12
n = 12
| (3x-8)=2 | | 22/7-66/x | | 5m-9=4+3 | | 8/14=28/n | | (2+-5)(2+-5)= | | m/16=400/20 | | 9-2x=44 | | (1/4)(4X-8) | | 4/12=m/42 | | (1/4)(4X-8)=3 | | M^4+m^2-42=0 | | (2/3)*sqrt(-24x**7) | | 4s(2s+3)=4 | | 3x(-8)=0 | | 6x+27=-9x-3 | | 88=X+3X | | 0=2*π/6*cos(π*x/6) | | 20x-12+15x+20x-3+6-9= | | 2n+5=85 | | 5-(3x-1)=x-4 | | 3sin^2(x)-4sinx-2=0 | | .4-1.2= | | 13(x-4)-3(x-9)-5(m+4)=0 | | d^6+6d^4+12d^2+8=0 | | sin(x)=0.06 | | 2(r-2)+3(4r-1)=0 | | 55x+45=0 | | 8m-3=9-2m | | 8m-3=9-2 | | 41+3x+4=8x | | 2a+3b-3a+4b-2a= | | 7t-11=-5+8t |