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)
2*n-4 = -4 // + 4
2*n-4+4 = 0
2*n = 0 // : 2
n = 0
n = 0
| -3m+9=-6 | | -9+7m=47 | | 8+3t=-22 | | M/0.03=-5.1 | | -7b-2=-86 | | 2+5b=47 | | 1+6k=25 | | 10+3t=-26 | | 4w+8=12 | | -6x+10=4 | | 6+6m=-6 | | 10+3n=46 | | -6t-7=59 | | -3n+3=-15 | | 7m+4=-59 | | -9+4t=27 | | 9-2d=-5 | | -3n-9=21 | | 7n-5=58 | | 4+4x=36 | | 7d+8=43 | | 4y-6=-6 | | -4d-10=-58 | | -6+4m=-34 | | 8+7b=15 | | -8+6d=52 | | 3t+3=27 | | -5a-10=-15 | | 4+7t=81 | | -3b-10=5 | | 4w+4=-32 | | 4t-9=-17 |