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)
n-7 = -7 // + 7
n-7+7 = 0
n = 0
n = 0
| -12=d-9 | | b+6=0 | | -2n=0 | | w+2=-2 | | 2+8w-3= | | w/-2=4 | | 8=n-3 | | 13=k+8 | | m+8=7 | | n+4=16 | | 12=a+2 | | a+10=19 | | 9b-b^2= | | 10=t+9 | | 7w=77 | | 2+n=-1 | | m+9=8 | | k+9=0 | | 4k^2+10k+44=0 | | x/-3=-2 | | 2=x+1 | | -5+b=-16 | | 7+d=16 | | X/-35=6/35 | | 14x+23=2x+47 | | 9k-4-7k= | | 3=t+2 | | 4k=-28 | | d+4=11 | | k-1=-7 | | d+9=15 | | 3d=24 |