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 = 5*n-39 // - 5*n-39
n-(5*n)-7+39 = 0
n-5*n-7+39 = 0
32-4*n = 0 // - 32
-4*n = -32 // : -4
n = -32/(-4)
n = 8
n = 8
| -5+7k=-k+35 | | 2p-2+p=-29 | | 1+7a=3a+33 | | 2b+10=-4b+64 | | -6a-9=31-a | | -4k-4=-58+2k | | 5-d=-6d+20 | | 4w-4=w-37 | | 6+d=7d-18 | | 5n+9=-15+3n | | k+3=15+7k | | -4a+9=49+6a | | 13=313 | | -4-5w=2w-67 | | 4a-7=-139-7a | | 6d+5=16-5d | | -5x-3=-19-3x | | 4b-4=-15+5b | | 5n+3=6+4n | | 7w-6=3w+26 | | 3-10=-12 | | 5k-1=-7k+119 | | -1+3d=2d+1 | | 2a+7=-7a+52 | | 7b+4=4b+4 | | 7+4b=-b-23 | | 2m+7=37-3m | | -7w-10=-131+4w | | -9+5m=-3m+7 | | 7+4k=3k+10 | | 4+2n=4n+28 | | t+5=37+5t |