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+d+1 = -83 // + 83
6*d+d+1+83 = 0
7*d+84 = 0 // - 84
7*d = -84 // : 7
d = -84/7
d = -12
d = -12
| 6+7x+2x=-57 | | 56=d+5d+2 | | -3t-8-4t=27 | | 3-6m+m=-47 | | -110=6n+7n-6 | | 12x^3+5x=7 | | -16=a+6a-9 | | 5+7m+5m=149 | | -5+2n+2n=-37 | | 10-4t+t=46 | | -21=4t-7t+9 | | -8-2b+b=1 | | 7m-6+4m=-6 | | -64=5w+w+8 | | x^3+y^3-9xy=0 | | 5-5n-n=-31 | | 4x+7+5x=-2 | | 3-3b+2b=-3 | | 21=7b-6b+10 | | 4+7w+7w=-94 | | 7+2m-7m=-43 | | 4n-4+6n=-124 | | 2+3x+5x=10 | | -6=-2a-3a+4 | | -9+3m+4m=5 | | -7k-10+3k=-30 | | x+5+5x=23 | | 145=7d+5d+1 | | 5t+7+4t=-38 | | 3=-5k-4k+3 | | n+10+3n=-22 | | -10+2k+4k=26 |