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)
8/6 = 4/n // - 4/n
8/6-(4/n) = 0
8/6-4*n^-1 = 0
-4*n^-1 = -4/3 // : -4
n^-1 = 1/3
-1 < 0
1/(n^1) = 1/3 // * n^1
1 = 1/3*n^1 // : 1/3
3 = n^1
n = 3
n = 3
| 3/15=n/9 | | .75x-8+.50x=19 | | 2.6/n=7.8/1.5 | | 7/5x=30 | | 4*8=144 | | 10x-15=5x/20 | | 27/32=n/8 | | 16/6=80/n | | N/68=8/17 | | N/81=2/9 | | 36/66=6/n | | 4x-2x(4+2)=(x+4) | | 2x+3y=5x+1.5y | | 176/n=16/3 | | 18/8=27/n | | 120/30=n/5 | | 3(5x-1)+5(3x+2)=15(2x+1) | | 9/n=45/25 | | 33/11=n/1 | | 72/n=8/2 | | 4x+2.5y=39 | | N/42=5/7 | | 12/6=10/n | | 2x^2+8x=c | | 9/3=n/2 | | 3/n=4/8 | | 20/n=4/4 | | 3.9x=27.3 | | 7+5u=-3 | | 2x-1=-x-7 | | -7=3w+5 | | 7x-4-3x=19+1 |