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)
27/9 = 18/n // - 18/n
27/9-(18/n) = 0
27/9-18*n^-1 = 0
-18*n^-1 = -3 // : -18
n^-1 = 1/6
-1 < 0
1/(n^1) = 1/6 // * n^1
1 = 1/6*n^1 // : 1/6
6 = n^1
n = 6
n = 6
| x+0.36=9 | | 396=13+2w(17+2w) | | -3(-2)+2y=6 | | m*3+8=1 | | -4(x+2)=6x+10x+12 | | -5x(x+y-2)= | | 5(4)-4y=20 | | 21x-105=3x+8 | | 2/n=2/3 | | -2(y+12)=y+9 | | 2x+4(x+3)=42 | | n/39=8/13 | | 2x+5=12x-21 | | 2x-15=-5x-29 | | 3/7+1/5= | | 42x^4=7x | | y=4E-05x+0.099 | | (x+10)+(y+1)=z | | -1/2x-7=8 | | 2(4-5x)=3(8-4x) | | u^3+6u^2=24+4u | | 8(s+7)=100-3 | | (x+10)+(y+1)=z+1 | | 3(3x+1)-(2x-5)-28=2(3x+1)-(2x-5) | | (2-x^2)/(1-2x)0 | | 3ln(x)+ln(2)-ln(3)=3 | | 7-2x=5x+28 | | 16=x^2-9 | | Cosx=coax | | -4x+x=-5+38 | | (2-x^2)/(1-2x) | | 4x-x=-5-38 |