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)
3.6/n = 4.8/12.4 // - 4.8/12.4
3.6/n-(4.8/12.4) = 0
3.6/n-0.38709677 = 0
3.6*n^-1 = 0.38709677 // : 3.6
n^-1 = 0.10752688
-1 < 0
1/(n^1) = 0.10752688 // * n^1
1 = 0.10752688*n^1 // : 0.10752688
9.30000015 = n^1
n = 9.30000015
n = 9.30000015
| 4/9=5/y | | x-19=69 | | 2m+1/7=3m-5/4 | | -5+x+7.5=22.5 | | x+19=69 | | x+y=69 | | (8x-7)(4x+4)=0 | | 2h-14=-1 | | x^3-6x^2+x=0 | | (8b-1)(5b-5)= | | -27+15= | | 7=2346 | | x^2+2x+7=31 | | X+x+(3x)=180 | | m+2m+(2m+50)=650 | | f+(f-6)+(3f-9)=60 | | a+2a=180 | | 0.99s=10+0.79s | | 20x^2-50x+30/6-4x | | 160-9t=85+6t | | 15h+75=25h | | 72/45=8/w | | -6.5+15d+22d=4.4 | | 0=x^2+x-12 | | n/16=9 | | -4.9x^2+80x+224=0 | | (x+0.9)(x+3.4)=0 | | 4b+5=14 | | 8a^3-729b^3= | | (x+8)(x+16)=0 | | 3x^2-19200=0 | | x^2-7x+10/8-2x^2 |