If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3n-6n+n=0
We add all the numbers together, and all the variables
-2n=0
n=0/-2
n=0
| 8=8/4x1 | | 6x+11=4x-17 | | 3(2x+3)=104.5 | | 2d+3=7d+18 | | 2d+3=7d+18 | | 2d+3=7d+18 | | 2d+3=7d+18 | | (8x+9)=(51) | | (8x+9)=(51) | | 5t+16=16 | | R(x)=500x-0.4x^2 | | (3x-11)=(2x+16) | | .–2j=–j–6 | | 9=12x+12 | | -16+68=-4(x+1) | | (5x+70)=(15x) | | (5x+70)=(15x) | | (5x+70)=(15x) | | (5x+70)=(15x) | | (5x+70)=(15x) | | 2x+3x-5+2=0 | | (5x+70)=(15x) | | (5x+70)=(15x) | | 2=(3x-7)+19 | | 7x+37=9 | | 38=-13x-27 | | 21-2=8x+5 | | 6-4x=7x+9x=2 | | -38=13x-27 | | X-9x=5x-1-x | | -38=13x-27 | | 3x+4+6x=22 |