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)
8-5*t = t+56 // - t+56
8-5*t-t-56 = 0
-6*t-48 = 0 // + 48
-6*t = 48 // : -6
t = 48/(-6)
t = -8
t = -8
| 8+5m=-2m-13 | | 6x+7=-2x+39 | | 6k+2=-3+k | | 5a-6=-69-4a | | 7+5d=4d+17 | | 5m+5=-m+17 | | 4a+6=3a+15 | | 5d-1=d+47 | | -6x+10=6x-50 | | -3+a=6a+47 | | 6t+3=5t+8 | | a+2=-4a-58 | | k+8=-12+6k | | 3X^2-21x+18=0 | | 2x+7x-90=180 | | 7+5t=7t+1 | | 2m-10=-6+4m | | 2k-1=7k-21 | | 2n-10=-7n-1 | | 2(x+6)-10=12 | | 9+5n=4n-2 | | 5m-1=11+m | | 2a-1=-31+7a | | 12/2(1+2) | | 4x-5=-9+6x | | 10-6d=-2d-10 | | -7-4b=-3b+0 | | -2n-3=3n-43 | | 4w-3=-3-6w | | 4+6d=-4d+64 | | -16-18=3 | | 5w-7=2w-7 |