If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
3*n+6 = 24 // - 24
3*n-24+6 = 0
3*n-18 = 0 // + 18
3*n = 18 // : 3
n = 18/3
n = 6
n = 6
| 3+7n=10 | | -5x-1=-36 | | -6x+6=-36 | | 5d-4=51 | | x^2+4x-4=1 | | 1+6b=-29 | | 7-6x=-5 | | -5t+6=-44 | | 1+2d=25 | | 5w-9=16 | | 5x+14=106-7x | | 56f-3t=0 | | -7m+9=79 | | 9+6m=-39 | | 3m+7=22 | | -7d+3=-46 | | -10+7d=46 | | 1+3n=19 | | 6t+2=20 | | 5k-7=-47 | | -4+6w=26 | | 1+2w=25 | | 6n-5=-29 | | 4m+10=26 | | 6m-6=-6 | | 7+3k=31 | | 7-3n=28 | | 7k+10=73 | | 3k-2=34 | | -4-2m=-14 | | 6n+10=-14 | | 5w+1=26 |