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)
3/2 = 18/n // - 18/n
3/2-(18/n) = 0
3/2-18*n^-1 = 0
-18*n^-1 = -3/2 // : -18
n^-1 = 1/12
-1 < 0
1/(n^1) = 1/12 // * n^1
1 = 1/12*n^1 // : 1/12
12 = n^1
n = 12
n = 12
| -3*0-y=0 | | 8/3=16/n | | 90-x-5+2x-5=180 | | 1/5=n/15 | | -11=1+m+3m | | 5/8=n/32 | | 90-x-5=180 | | 1/2=n/12 | | 6x-2*0=-4 | | x-5+2x-5=180-90 | | (x*x)+3x=54 | | x-5=90 | | 3m-12=3 | | 2x-6=148 | | 90+x-5+2x-5=180 | | 2(5x+14)3=48 | | x-5+2x-5=180 | | y+6=16-4y | | R(x)=300x-0.01x^2 | | 12m=cm | | 90+2x-5=90 | | 115.03*52= | | 5-6=4 | | 90+x-5=90 | | x-5+2x-5-90=90 | | 4x^3-8=0 | | 3x-(x+31l)+(1-x)=-63 | | 6.03+x=15.4 | | a+5.5=-17.345 | | 90-x-5+2x-5=90 | | 3(4x+2)=-6(1-2x) | | 5xsquared=24 |