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)
-6*d-9 = -63 // + 63
63-6*d-9 = 0
54-6*d = 0 // - 54
-6*d = -54 // : -6
d = -54/(-6)
d = 9
d = 9
| 6w-3=57 | | 7k+2=-61 | | 5+3w=26 | | -1+7k=55 | | 3b+1=-2 | | -3k+9=21 | | 7w+7=42 | | 7b+9=16 | | 7-4a=-41 | | 4a+1=49 | | 4d+2=34 | | 6b-8=28 | | -2b+9=7 | | 4t+10=-22 | | -6+3b=-27 | | -5n+1=16 | | -2b+8=12 | | 7b-1=6 | | 8+4t=44 | | 3x+1/x-5=7 | | -7m+3=-53 | | 7d+4=81 | | 7m-5=16 | | 5+2b=5 | | -2m+1=-15 | | 3(3-x)+9=2(x-4)+6 | | -6n+1=-41 | | 7m-10=32 | | -5t+2=-38 | | 5b-5=-30 | | -6+6b=6 | | -3k-6=-21 |