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)
1/2 = 43/n // - 43/n
1/2-(43/n) = 0
1/2-43*n^-1 = 0
-43*n^-1 = -1/2 // : -43
n^-1 = 1/86
-1 < 0
1/(n^1) = 1/86 // * n^1
1 = 1/86*n^1 // : 1/86
86 = n^1
n = 86
n = 86
| q^2=-25 | | x=-4+4x | | x+8=x+22 | | f(3)=3x-12 | | 1/2=43 | | 11/7x21/2x17/8= | | 11/44=n/8 | | -9n-8n=-17 | | 7(13)-7=y-6 | | -4=1+.5X | | 10x-13=13+12 | | .5m=3m+10 | | N/45=5/3 | | x^2y-X^2-2y=0 | | 26/n=52/13 | | h(x)=4x-8x-60 | | 3x-7+2-2x=-26 | | 5n-9=3n+-17 | | X^2+y^2-14x+40=0 | | 12/60=7/n | | 20n+15= | | 4/3(3.14)64 | | 16x^2+49=56x | | 7.5h+10=9.5h+4 | | -1/2m-5=9 | | 8/40=5/n | | C+16=48 | | 48=4x+15 | | 2(12+4)=32 | | 6(1+104x)=8 | | P=a-9b-c | | 7(13)-7+y-6=180 |