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)
7/12 = 5/n // - 5/n
7/12-(5/n) = 0
7/12-5*n^-1 = 0
-5*n^-1 = -7/12 // : -5
n^-1 = 7/60
-1 < 0
1/(n^1) = 7/60 // * n^1
1 = 7/60*n^1 // : 7/60
60/7 = n^1
n = 60/7
n = 60/7
| 5(x+7)+7(x+7)=42 | | 5k-4k-k=3k-6+2k | | 4(4x+3)=-2(2x+4) | | 12+7x=85 | | -12x-24=-9+-63x | | 100=2(-7n+6)+3n | | 60+30x=45x | | 3x^5+6x^8= | | d=61.2 | | 2/10=4/n | | 7x^2-2x-8=o | | v-5/6=-7/8= | | 6/3=10/k | | 22.5/5 | | -138=-6(-4n-5) | | 62+2+3x=180 | | .67=inches | | -7n+(-21)-8+64n= | | R/2=3/4 | | 15p^2=28p-5 | | 15y^2-1=2y | | (x-0.7)(x+0.7)= | | P/5=7/3 | | 45=15-10h | | 4x^4=3x^2-9 | | -2z+6=-10 | | F(x)=x/0.25 | | -5(7+4x)-5=120 | | (1)(1d)+(2)y=1 | | (1)(1)+(2)y=1 | | 4a^2+28a=-48 | | 5(-2y-9)=15 |