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*t-8 = 69 // - 69
7*t-69-8 = 0
7*t-77 = 0 // + 77
7*t = 77 // : 7
t = 77/7
t = 11
t = 11
| -9+6k=39 | | -4d-2=-50 | | 6n+6=12 | | 7w+9=23 | | 9-5b=-16 | | 3x-5=6x-8 | | 7-3b=-5 | | -4b+9=53 | | 1-4b=-11 | | 3d-6=-12 | | -7w-6=-55 | | 3b-6=-9 | | n-13=34 | | Y-3=-3Y-43 | | 6m-7=23 | | -7n+5=-51 | | 4+3n=13 | | -4-7a=-4 | | 2-7x=-33 | | 7+4a=31 | | 8+3k=29 | | 14s^4-33s^2+18= | | 10+7b=-32 | | 2+4w=-38 | | -3d+8=20 | | 3-3n=-6 | | 3t+8=-7 | | 7d+1=-6 | | 8+5n=18 | | -6a+9=-45 | | -5m+1=-4 | | 7+4b=15 |