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)
92 = 6*d+d+8 // - 6*d+d+8
92-(6*d)-d-8 = 0
92-6*d-d-8 = 0
84-7*d = 0 // - 84
-7*d = -84 // : -7
d = -84/(-7)
d = 12
d = 12
| 6+2w+2w=-38 | | 0=3m+7m+10 | | 8-2k+k=20 | | 3k+7-k=-1 | | 6-7t-t=70 | | -4+t+5t=-34 | | -5a+4-5a=-36 | | -11=-b-7b+5 | | -4=m-4m+8 | | -6+2a-4a=-2 | | b+9-3b=-11 | | 6b+3+b=87 | | 7+7k+6k=-123 | | -17=-5x+3x+3 | | 5k+9-7k=33 | | 3+t-5t=3 | | 2x+7+4x=55 | | 5=-k+4k+8 | | -2w+1+4w=19 | | 102=-4x-7x-8 | | 18=3d-2d+8 | | -54=5t+t-6 | | 124=7d+3d+4 | | 6t+7-2t=-1 | | 12=2d-4d+10 | | -7a+10-4a=-78 | | -4w-1+w=-28 | | 1=-4w+5w+4 | | x+7+3x=-21 | | -23=-3m+m-1 | | -2n-1+7n=-1 | | 6n+6+n=41 |