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)
8/3 = 16/n // - 16/n
8/3-(16/n) = 0
8/3-16*n^-1 = 0
-16*n^-1 = -8/3 // : -16
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
| 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 | | 6(3log)=532log | | x-5-2x-5=90 |