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)
10/22 = 2/n // - 2/n
10/22-(2/n) = 0
10/22-2*n^-1 = 0
-2*n^-1 = -5/11 // : -2
n^-1 = 5/22
-1 < 0
1/(n^1) = 5/22 // * n^1
1 = 5/22*n^1 // : 5/22
22/5 = n^1
n = 22/5
n = 22/5
| (7x-1)=125 | | 85/4= | | 7x-35=28 | | 72=-8w | | 4m+23=-1-2m | | 5x-26=10x | | 9x*9=7 | | R/2.8=1.8/2.1 | | -16+k=-11 | | 3-0.5x+1=2 | | a/10=11/5 | | 6p-12=3p+15 | | 11+2z= | | 89=-5(6+4k)+3 | | 2y-8y= | | 15a^2+63a-162=0 | | 1/7-3x=6x-566/7 | | R/2.8=1.8/2.8 | | 5x/7=3/5 | | -3(2a-2)=-30 | | 4k=52 | | -6w+(-8)+1+(-7w)= | | 50=4x-1 | | 14+2z= | | -37+4x= | | -4j^2+5j+9=0 | | -13=m-7 | | -6(7+4v)=27 | | 5n^2-2n-12=0 | | 1x/10=1 | | 4(4x+2)=18x+5-2x+3 | | 10=n+19 |