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)
8/5 = 16/n // - 16/n
8/5-(16/n) = 0
8/5-16*n^-1 = 0
-16*n^-1 = -8/5 // : -16
n^-1 = 1/10
-1 < 0
1/(n^1) = 1/10 // * n^1
1 = 1/10*n^1 // : 1/10
10 = n^1
n = 10
n = 10
| 7x=5x-7 | | 2/n=18/9 | | 13-8(11q-7)= | | 8/n=36/16 | | 3(2-5x)/8=-1/2 | | n/10=36/30 | | 10-4c=55-c | | 13(8+11q)-7(q-4)= | | -2y=1.42 | | 9/n=36/16 | | (y*2+2xy)dx-x^2dy=0 | | 5/n=30/24 | | -3p-4(6-2p)=3(p-3)-11 | | 5h+54=6h-40 | | n/1=36/4 | | 18x^2+13200=0 | | 6t+16=3t+82 | | 3/n=36/12 | | 5m+13=7m-5 | | 36/18=12/n | | x/2-5=2x/6 | | X+2X+X+3=27 | | 8/n=40/20 | | -d+6=6 | | 10/7=50/n | | 3+10y=30 | | n/3=42/18 | | 110=23c+8-6c | | 36/18=n/1 | | 7t-11=5t-5 | | 20(3-3t)=-300 | | 3/n=24/16 |