If it's not what You are looking for type in the equation solver your own equation and let us solve it.
t in (-oo:+oo)
-7 = -3*t-(6*t)-7 // + -3*t-(6*t)-7
6*t-(-3*t)-7+7 = 0
3*t+6*t-7+7 = 0
9*t = 0 // : 9
t = 0
t = 0
| 2+2d+7d=-106 | | 4+3t+7t=4 | | 11=5t+4t+2 | | -2w-5+7w=0 | | 6n+7-n=17 | | 22=2b-4b+2 | | 9=n+n-9 | | 2+6k-2k=46 | | n+6-5n=26 | | 6a+1+7a=105 | | -5w+6+6w=10 | | 68=6k+6k-4 | | 53=6n-2n+9 | | 7n-9+4n=13 | | -a+8-5a=14 | | 2k-4+k=2 | | -5d+3+4d=12 | | -9-4a+a=-42 | | -10+7a+3a=90 | | 453-65=x | | 3a+8+4a=43 | | 5445x=98 | | 2t+7+2t=-29 | | 53=-3a-3a-1 | | 5m+4+7m=124 | | 1+t+7t=-47 | | 6b+3-2b=11 | | 9-b-4b=-31 | | 10+4t+3t=-32 | | 5t-7+4t=47 | | -7k-7+6k=-2 | | 69=6d+6d-3 |