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)
16/n+12 = 4 // - 4
16/n-4+12 = 0
16*n^-1 = -8 // : 16
n^-1 = -1/2
-1 < 0
1/(n^1) = -1/2 // * n^1
1 = -1/2*n^1 // : -1/2
-2 = n^1
n = -2
n = -2
| 5y+8(5)-2=4y | | 5k+28=2k+91 | | 21+b=-1 | | 20+7=-3(8x-9) | | V-1/4=-4/5 | | 38=8x-26 | | -n^2-2n-1=0 | | 8a-19=5+39 | | 8x+5=7x+(-2) | | 6v^2-15v+36=0 | | 5k+28=2k+13 | | -23z-0.8=-33z+2.8 | | W-35.7=16.3 | | 16j-4(7k-3j)+25k= | | 4x-5=(x+5) | | S=VT+GT*TforG | | W-35.7=16 | | -5x-9=-39 | | 2x/9-2=6 | | 28=-4x-12 | | g(5)=5x-1 | | 67=5m-8 | | 4(3m-8p)= | | 480/200x | | 71x+1+20+90=180 | | 42=k-12 | | g(4)=5x-1 | | 42=2u+8 | | 3/5÷4/5 | | g(2)=5x-1 | | 18w-10-6w+84=50 | | 21x-131=14x+175 |