If it's not what You are looking for type in the equation solver your own equation and let us solve it.
d in (-oo:+oo)
d-9 = 5*d-9 // - 5*d-9
d-(5*d)-9+9 = 0
d-5*d-9+9 = 0
-4*d = 0 // : -4
d = 0
d = 0
| -6d+6=110+7d | | 4d+1=d+1 | | 3m-9=13+5m | | 3t+6=-6t-57 | | -6-4m=-2m-6 | | -9-4m=-3m-20 | | -w+2=-18+3w | | 5d+1=4d+1 | | 5n+3=-5+7n | | 4k+8=0+6k | | -4k-1=-3k-1 | | -3k-4=-44+k | | m+2=-22-m | | k+9=-7k-7 | | 7t-4=-7t-4 | | 4d+4=-3d-17 | | 4a+9=-5a-18 | | -6b-2=-122+6b | | -3b+4=2b-1 | | -4-7w=6w-95 | | 4n+9=-45-2n | | 3t+1=-4t-6 | | 5d+5=6d+0 | | -8+d=3d-18 | | -2t-10=2t-34 | | -8+a=-5a+52 | | 3t+3=59-5t | | -7b+3=2b+93 | | b+4=28+4b | | -3a+4=5a-52 | | 7t+4=5t+12 | | 5+6x=-2x+21 |