If it's not what You are looking for type in the equation solver your own equation and let us solve it.
w in (-oo:+oo)
8 = w+w+2 // - w+w+2
8-w-w-2 = 0
6-2*w = 0 // - 6
-2*w = -6 // : -2
w = -6/(-2)
w = 3
w = 3
| -68=-6m-2m-4 | | 6w+3-3w=9 | | 9=2x+5x+9 | | 16=-2d+4d-4 | | 1+5k+2k=57 | | 6+3n+4n=6 | | -68=-7n-7n+2 | | -51=-2b-4b-3 | | -9=7w-6w-1 | | -85=2t+7t+5 | | 3=-4k+6k-9 | | -5-3d-5d=-13 | | 7+m+3m=27 | | 7t-6+5t=-114 | | -51=-7k-4k+4 | | 4+4b+3b=4 | | -6t+7+2t=-37 | | 4k+5+5k=41 | | -79=5a+6a-2 | | 4t+10+3t=3 | | 51=5d+d-3 | | -22=2d-5d+5 | | a-5-4a=-29 | | 61=n+4n+6 | | 11=7d-3d-9 | | 6d-4-3d=26 | | 9+3m+4m=30 | | -3x-5-7x=-115 | | 5a-8-3a=10 | | 7b+7+b=-17 | | -2+4t+t=-47 | | 8-3k+2k=7 |